assignment-数字转换训练
python将英文数字转化为阿拉伯数字的方法
在Python中，有很多种方法可以将英文数字转化为阿拉伯数字，本文将介绍几种常用的方法。
无论你是在处理文本数据，还是在进行简单的数字转换操作，这些方法都会帮助你更好地处理数据。
1. 使用字典进行转换在Python中，我们可以使用字典来快速地将英文数字转化为阿拉伯数字。
我们需要创建一个包含英文数字和对应阿拉伯数字的字典。
我们可以通过查找字典来实现转换。
下面是一个示例代码：```pythonnum_dict = {"zero": 0,"one": 1,"two": 2,"three": 3,"four": 4,"five": 5,"six": 6,"seven": 7,"eight": 8,"nine": 9}def convert_to_arabic(text):words = text.split()result = []for word in words:if word.lower() in num_dict:result.append(str(num_dict[word.lower()]))else:result.append(word)return ' '.join(result)text = "I have two apples and three bananas"print(convert_to_arabic(text))```在上面的代码中，我们首先创建了一个包含英文数字和对应阿拉伯数字的字典。
我们定义了一个函数`convert_to_arabic`，该函数将输入的文本按空格分隔成单词，并将单词转化为对应的阿拉伯数字。
我们对一个示例文本进行了转换并打印结果。
math operands should be cast before assignment
math operands should be cast before assignmentMath operands should be cast before assignment，这是一句关于数学操作的重要提示。
它指出在将一个值赋值给另一个变量之前，应该对此值进行转换，以确保期望的结果。
首先，我们必须明白什么是“数学操作”和“强制转换”。
数学操作是指在一个变量上应用的所有运算，包括加、减、乘、除等。
而强制转换指的是在赋值之前，将一个值转换成另一种类型的值，使它们能够相互比较或正确计算。
数学操作常常会因数据类型和操作符不匹配而无法正常工作，这就是为什么在赋值之前，我们必须进行数据类型转换的原因之一。
例如，如果你想要将两个字符串拼接在一起，你必须将它们转换为字符串类型，然后再使用拼接操作符来执行该操作。
另一方面，强制转换还可以用于在比较两个变量的值时避免意外的结果。
当比较不同类型的变量时，如果不进行转换，很可能会得到错误的结果。
比如，如果你试图比较两个数字，一个是字符串类型的“1”，一个是数字类型的1，你会发现它们并不相等，因为它们是不同的类型。
如果在比较之前先转换，将会得到你期望的结果。
强制转换也可以用于确保正确的计算结果。
有时，数学操作可能会因数据类型不匹配而发生错误，这就是为什么我们在进行数学操作之前必须确保变量的类型一致的原因。
例如，如果你想要让一个字符串类型的数字参与计算，你必须先将它转换为数字类型，然后才能正确进行计算。
总之，math operands should be cast before assignment是一句重要的提示。
它指出在赋值之前，我们应该先将变量转换为正确的类型，以便于在比较和计算中避免意外的结果。
数据转换的例子
数据转换的例子以下是一些常见的数据转换的例子：1. 字符串转整数：将一个表示数字的字符串转换为整数数据类型。
例如，将字符串"123"转换为整数123。
2. 整数转字符串：将一个整数转换为字符串数据类型。
例如，将整数123转换为字符串"123"。
3. 字符串转浮点数：将一个表示浮点数的字符串转换为浮点数数据类型。
例如，将字符串"3.14"转换为浮点数3.14。
4. 浮点数转字符串：将一个浮点数转换为字符串数据类型。
例如，将浮点数3.14转换为字符串"3.14"。
5. 整数转布尔值：将一个整数转换为布尔值数据类型。
通常，非零整数会转换为True，而零整数会转换为False。
6. 布尔值转整数：将一个布尔值转换为整数数据类型。
通常，True会转换为1，False会转换为0。
7. 字符串转日期：将一个表示日期的字符串转换为日期数据类型。
例如，将字符串"2022-01-01"转换为日期数据类型。
8. 日期转字符串：将一个日期转换为字符串数据类型。
例如，将日期数据类型的2022-01-01转换为字符串"2022-01-01"。
9. 列表转字符串：将一个包含多个元素的列表转换为字符串数据类型。
例如，将列表[1, 2, 3]转换为字符串"[1, 2, 3]"。
10. 字符串转列表：将一个包含多个元素的字符串转换为列表数据类型。
例如，将字符串"[1, 2, 3]"转换为列表[1, 2, 3]。
这些都是常见的数据转换的例子，涵盖了不同的数据类型之间的转换。
具体的转换方法会根据编程语言而有所不同。
力扣进制转换题目
力扣进制转换题目以下是力扣上的一道进制转换题目：题目描述：给定一个十进制数 num，将其转换为指定的基数 radix 下的字符串。
示例：输入: num = 100, radix = 2输出: ""输入: num = 5283, radix = 8输出: "10472"输入: num = 101, radix = 16输出: "65"解题思路：进制转换的思路是将给定的十进制数转换为指定基数下的字符串。
具体步骤如下：1. 判断给定的基数是否在 2-36 的范围内，因为超过这个范围的基数会导致无法表示某些数字。
2. 将给定的十进制数转换为指定基数下的字符串。
可以使用除基取余法，即不断将给定的十进制数除以基数并取余数，直到商为 0，然后将余数按照反序拼接成字符串即可。
3. 判断余数是否为 0，如果是则将结果字符串转换为大写字母表示，否则将结果字符串转换为小写字母表示。
4. 返回转换后的字符串作为结果。
代码实现：以下是一个 Python 代码实现，其中 `convertToBaseK` 函数用于将给定的十进制数转换为指定基数下的字符串：```pythondef convertToBaseK(num, k):if k < 2 or k > 36:return "Invalid base"if num == 0:return "0"result = ""while num > 0:digit = num % kif digit < 10:result = str(digit) + resultelse:result = chr(ord('a') + digit - 10) + result num //= kreturn () if k > 10 else ()```。
c语言字母和数字的转换
c语言字母和数字的转换C语言是一种广泛应用于计算机编程的编程语言，它具有强大的功能和灵活的语法规则。
在C语言中，字母和数字之间的转换是一项基本操作，可以用来实现很多有趣和有用的功能。
本文将介绍C语言中字母和数字的转换，并探讨其在实际编程中的应用。
一、字母到数字的转换在C语言中，可以使用ASCII码将字母转换为数字。
ASCII码是一种字符编码标准，其中每个字符都对应一个唯一的数字。
例如，字母A对应的ASCII码是65，字母B对应的ASCII码是66，以此类推。
因此，可以通过将字母的ASCII码减去65来得到字母在字母表中的位置。
例如，字母A的位置是0，字母B的位置是1，以此类推。
在C语言中，可以使用字符类型的变量来表示字母。
例如，可以定义一个变量char letter来表示一个字母。
然后，可以使用赋值运算符将字母赋值给这个变量。
例如，可以使用语句letter = 'A'来将字母A赋值给变量letter。
为了将字母转换为数字，可以使用强制类型转换运算符。
例如，可以使用语句int position = (int)(letter - 'A')来将字母letter转换为数字position。
这里，表达式(letter - 'A')的结果是字母在字母表中的位置，然后使用强制类型转换运算符将其转换为整数类型。
二、数字到字母的转换与字母到数字的转换类似，可以使用ASCII码将数字转换为字母。
例如，数字0对应的ASCII码是48，数字1对应的ASCII码是49，以此类推。
因此，可以通过将数字加上65来得到数字对应的字母。
例如，数字0对应的字母是A，数字1对应的字母是B，以此类推。
在C语言中，可以使用整数类型的变量来表示数字。
例如，可以定义一个变量int number来表示一个数字。
然后，可以使用赋值运算符将数字赋值给这个变量。
例如，可以使用语句number = 0来将数字0赋值给变量number。
numpy中将字母转变为数字的方法
numpy中将字母转变为数字的方法1. 背景介绍在数据分析和机器学习领域，经常需要将字母转变为数字进行处理。
比如在文本分类中，需要将文本转换为数字，才能进行特征提取和分类。
numpy是一种用于科学计算的Python库，提供了丰富的数组操作功能。
在numpy中，可以使用多种方法将字母转变为数字，本文将介绍numpy中常用的四种方法。
2. 方法介绍2.1 ord()函数ord()函数可以将一个字符转换为对应的Unicode码，返回值为整数。
可以通过减去一个数来将其转换为0-25之间的数字。
代码如下：```pythonimport numpy as npchars = ['a', 'b', 'c', 'd']nums = [ord(c) - 97 for c in chars]print(nums)# 输出：[0, 1, 2, 3]```2.2 通过Python字典映射将字母与数字进行映射，可以使用Python的字典。
代码如下：2.3 LabelEncoderLabelEncoder是sklearn中的一个类，可以将标签值统一转换为数字。
可以对一个列表中的多个元素进行转换。
代码如下：```pythonimport numpy as npfrom sklearn.preprocessing import LabelEncoder2.4 pandas Series的astype()方法pandas是Python中一个用于数据分析的库，在其中的Series类型中，有一个astype()方法可以将一列数据的类型进行转换。
代码如下：3. 总结本文介绍了numpy中常用的四种将字母转变为数字的方法，分别为ord()函数、通过Python字典映射、LabelEncoder、pandas Series的astype()方法。
不同的方法适用于不同的场景，可以根据实际需要进行选择。
verilog assign 数组-概述说明以及解释
verilog assign 数组-概述说明以及解释1.引言1.1 概述概述部分的内容可以如下所示：引言部分是对本文主题的简要介绍。
本文主要讨论Verilog中的assign语句以及数组的应用。
Verilog是一种硬件描述语言，被广泛应用于数字电路的设计和仿真。
assign语句是Verilog中用于连接电路中的信号和端口的关键字。
通过assign语句，我们可以将一个信号连接到一个或多个端口，以便在电路中实现特定的功能。
本文将首先介绍Verilog中assign语句的语法和基本用法，包括如何使用assign关键字定义连接。
然后，我们将重点讨论数组在Verilog中的应用。
数组是一种数据结构，可以用于存储多个相关的信号或值。
在Verilog中，数组可以用于存储多个位向量或其他数据类型，并且可以对数组进行索引和操作。
本文的目的是帮助读者理解Verilog assign语句和数组的基本概念，并提供一些实际的例子和应用场景。
通过阅读本文，读者将能够更好地理解如何使用Verilog assign语句来连接电路中的信号和端口，并了解如何使用数组来组织、存储和处理相关的数据。
在接下来的章节中，我们将逐步介绍Verilog assign语句的语法和用法，以及数组在Verilog中的定义和使用。
我们将提供一些具体的例子和实践中常见的应用场景，以帮助读者更好地理解和应用这些概念。
最后，在结论部分，我们将对本文进行总结，并展望Verilog assign 数组的未来发展方向。
通过本文的阅读，读者将能够掌握Verilog assign 语句和数组的基本概念，以及它们在数字电路设计中的实际应用。
希望本文能够对读者在Verilog的学习和实践中起到一定的指导作用。
1.2 文章结构文章结构部分的内容可以包括以下内容：本文分为三个主要部分：引言、正文和结论。
本部分将介绍这三个部分的目的和内容。
引言部分旨在提供对Verilog assign数组的概述，并介绍本篇长文的结构。
FLX-MADI数字音频转换器用户手册说明书
ruUser's ManualTable of Contents1. QUICK REFERENCE (4)2. INTRODUCTION (5)2.1. Purpose (5)2.2. Box Contents (5)2.3. Conventions used in this manual (5)3. POSSIBLE SETUPS (6)3.1. Available AUX cards (6)3.2. Available FLX devices (7)3.3. FlexLink connection (7)4. AUDIO ROUTING (8)4.1. Modes and indication (8)4.2. Selecting the Route Mode (9)4.3. Remarks (9)5. CLOCK SETTINGS (10)5.1. Clock sources and indication (10)5.2. Selecting the Clock Source (10)6. ACCESSING INTERNALS (12)6.1. Opening the device (12)6.2. Inside view (12)6.3. Installing AUX cards (12)7. DIP SETTINGS (13)7.1. Base device config (DIP1..3) (13)7.2. AUX config (DIP4..6) (14)7.3. FlexLink channel mapping (DIP7..9) (15)8. SPECIAL OPERATING MODES (16)8.1. Version Display (16)8.2. LED Test (16)8.3. Interface Self-Test (16)8.4. Firmware update (17)9. SPECIFICATIONS (18)10. ACCESSORIES (18)10.1. Rack mount kits (18)10.2. Additional (redundant) power supply (18)11. APPENDIX (19)11.1. Warranty (19)11.2. Manufacturer contact (19)11.3. FCC Compliance (19)11.4. Recycling (20)FLX-MADI 11.5. Document Revision History (20)11.6. About this document (20)User's Manual1. QUICK REFERENCE➊Power switch and "power good" indicators.LEDs light up blue when power is available on the respective port.➋Mode indicators/selector. Long-press the "Select" button to change the audio routing between the interfaces. Wait four seconds to activate the selected mode.➌Clock indicators/selector. Long-press the "Select" button to change the clock source and sample-rate. Wait four seconds to activate the selected mode.➍MADI SFP port. Pre-installed 1310nm Multimode SFP, accepts any other SFPs Compatible to standard MADI optical (SC plugs) using an LC-to-SC adapter cable ➎MADI Coaxial port➏AUX slot. Accepts optional card for standalone use, or additional MADI channels ➐DIP switches, mostly to control output data format. See 7 . DIP Settings➑USB port (firmware update only, no audio)➒Redundant DC input ports➓FlexLink: optional connection to second flexiverter, or to multiverter.FLX-MADI2. INTRODUCTION2.1.PurposeThe FLX-MADI device is as digital audio converter, providing two built-in MADIinterfaces and a third one (or many other interfaces) with optional AUX cards. Itcan be used in different setups, depending on the user's needs:standalone, to convert between the built-in MADI ports (media converter),standalone, to convert between one of the built-in MADI ports and an additionalAUX card (MADI-to-anything),together with another flexiverter, connected via FlexLink (for up to 192x192channels),together with the multiverter, connected via FlexLink. This provides remotecontrol, channel-wise routing and SRC (Sample Rate Conversion).For a detailed description of possible configurations see 3 . Possible Setups.2.2.Box Contents1 FLX-MADI Converter1 HDMI cable 0.5m / 1.7 ft with locking screws1 Power supply1 Power cord (country specific)This manual2.3.Conventions used in this manualA button on the front is shown like this: Mode or ClockA LED is shown like this:◌ off / ⬤on / ❇ blinkingA section marked with an "information" icon indicatesa useful tip.User's Manual3. POSSIBLE SETUPSThe device can be used in three different setups, shown below:3.1.Available AUX cardsAt the time of writing (2021-11), the following AUX cards are available. More will come, please check www.appsys.ch for updates.FLX-MADIAUX-AVB116x16ch / 32x0ch / 0x32ch MILAN-approved AVBAUX-DAC18ch analog outputs (1xDB25)AUX-DANTE64x64ch DANTE network cardAUX-MADI-COAX64x64ch MADI for coaxial cable (BNC connectors)AUX-MADI-OPTO64x64ch MADI optical, SC connector (Multimode 125um 1310 nm)AUX-MADI-SFP64x64ch MADI for SFP (Small-Factor Pluggable) modulesAUX-WORDCLOCK BNC wordclock I/O3.2.Available FLX devicesAt the time of writing (2021-11), the following FLX devices are available. More willcome, please check www.appsys.ch for updates.3.3.FlexLink connectionThe FlexLink connection is designed to connect Flexiverters with each other, orwith the Multiverter. It provides:192x192 channels bi-directional transmission of 24-bit uncompressed audio(fully transparent to AES3 compatible metadata bits)Super-low link latency of 4 samples (ca. 83µs)Dedicated, high-quality reference clock signal with automatic configurationPower supply for connected devices (to reduce cabling), alternatively serves asredundancy scheme when both devices are powered: in case of power failure,both devices keep working from the remaining power supply.Uses standard HDMI cables (with locking screws), to provide easy fieldreplacement in case of defects.1Estimated availability: Q1/2022User's Manual4. AUDIO ROUTINGThe flexiverter can operate in various routing modes, allowing you to pass audiobetween the available interfaces (MADI SFP, MADI coaxial, AUX and FlexLink) inmany different ways. The LEDs in the "MODE" section indicate the involvedinterfaces.4.1.Modes and indication2All incoming data is also split (output) to FlexLink: MADI SFP is split to Lane 1 (ch1-64), MADI coaxial is split to Lane 2 (ch65-128) and AUX is split to Lane 3 (ch129-192). The split is not indicated on the LEDs for clarity but is always active.FLX-MADIseconds, the selected mode is applied automatically.4.2.Selecting the Route ModeLong-press the Mode button until the LEDs are blinking yellow.Current routing mode is shown by alternately yellow blinking LEDs, indicatingthe interfaces where the signal is passed between.Press the Mode button repeatedly to cycle between available modes, untilthe desired mode is shown.After four seconds without interaction, selection mode is terminated and thecurrent setting comes into effect.4.3.RemarksRouting between the selected interfaces is always bi-directional, meaning thataudio is passed between them both ways. A working bi-directional link shows⬤green for both interfaces. If the LED shows ⚪white, the correspondinginterface does only output data but no input on it has been detected. If the LEDshows ⬤ red, the interface is not connected, or the clock is invalid or missing.Channel-wise routing and splitting (crosspoint switch/matrix) between allchannels is possible when the flexiverter is connected to a multiverter. Routingis then done via the multiverter's web interface or via the command line.User's Manual5. CLOCK SETTINGS5.1.Clock sources and indicationThe flexiverter can be clocked from every interface (acting as clock slave), or canrun on its internal clock (acting as clock master).5.2.Selecting the Clock SourceLong-press the Clock button until the LEDs are blinking yellow.Current clock source/modes is shown by blinking LED(s).Press the Clock button repeatedly to cycle between the available clock sources. Depending on the source, you might need to select the desired sample rate (❇44.1 kHz or ❇48 kHz) and/or the appropriate multipliers (❇x2 /❇x4).After four seconds without interaction, clock setting is automatically terminated and the selected clock source comes into effect.6. ACCESSING INTERNALS6.1.Opening the deviceRequired: Torx T10 screwdriver.Power off the device and detach all cables to avoid short-circuit or damage.Detach the device from the rack-mount kit.Remove the four top screws and the top cover by pulling it upwards:6.2.Inside view➊Screws for AUX cover plate➋AUX card connector6.3.Installing AUX cardsRemove the screws holding the cover plate, and the blank cover plate ➊Insert the AUX card from inside, using the supplied cover plate.Make sure it is correctly fitted to the card connector➋Secure the card using two cover screws ➊The card has been installed correctly if you are able to select an audio routingmode involving AUX (long-press MODE button to enter Route Mode Selection).7. DIP SETTINGSFine-tuning of the flexiverter's built-in interface behavior and of the AUX card canbe achieved via DIP settings on the back side. Changing the DIP settings will come immediately into effect. Default setting: all switches up.7.1.Base device config (DIP1..3)The configuration below affects only the MADI outputs. The input format isautomatically detected, independent of the DIP switch settings.7.2.AUX config (DIP4..6)Many AUX card provide additional settings, which can be adjusted using theseswitches. The actual meaning depends on the type of AUX card installed:For cards not listed, refer to the manual of the respective card, or check for anewer version of this manual.3Applies to outputs only. Input format is always auto-detected, regardless of the switch setting7.3.FlexLink channel mapping (DIP7..9)The FlexLink interface can transmit 192x192 channels, organized in three laneswith 64 channels each. The channel assignment can be adjusted to meet the user's needs, particularly when the device is used in double-FLX configuration (to makesure that all interfaces and channels are mapped to the desired target on the peerFLX device.8. SPECIAL OPERATING MODESSpecial operating modes are accessible by holding down the Mode button while switching on the device. Press Mode again to switch to the next mode:Version Display ⇨ LED Test ⇨ Interface Self-Test ⇨ Normal operation 8.1.Version DisplayThe firmware version "X.Y" and the hardware version "Z" are shown on theLEDs on the front panel:- The number of ⬤pink LEDs lit indicate the major firmware number "X"- The number of ⬤orange LEDs lit indicate the minor firmware number "Y"- The number of ⬤green LEDs lit indicate the hardware version "Z"Example: One (1) ⬤pink LED and three (3) ⬤⬤⬤orange LEDs means"Firmware 1.3", zero green LEDs mean HW version 0.Blinking LEDs mean that the currently installed firmware is a "beta" version. Itis advised to upgrade to an official release version as soon as it is released.Press Mode again to proceed to LED test.8.2.LED TestAll LEDs on the front and on the back should show ⚪ white.Press Mode again to proceed to Interface Self-Test.8.3.Interface Self-TestAll built-in interfaces and the optional AUX card can be tested for correct operation by the user. This is done using the special self-test mode, in which the deviceoutputs a special random test pattern on all channels. This pattern is looped backvia an external cable into the corresponding inputs, where it is checked forconsistency.Self-test mode is indicated with "CLOCK"showing INT/48kHz in ⬤cyan color.The "MODE" LEDs indicate ⬤red (error/no connection) or ⬤green (loopbackdata received ok) for the respective interface.Connect the Output to the Input of the MADI SFP Port using an optical cable.Connect the Output to the Input of the MADI Coaxial Port using an coaxial(BNC) cable with 75 Ohms impedance.If an AUX card is installed, connect all output ports of the AUX card to therespective inputs using a loop-back cable. Note: NOT supported with AUX-ADC, AUX-AES67, AUX-AVB, AUX-DANTE.8.4.Firmware updateThe firmware can be updated from any Windows PC over the rear USB port.▶To update:Download the latest firmware from www.appsys.ch/FLX- MADIUnpack the firmware package FLX-MADI-Firmware_x.y.zipConnect your PC via USB to the flexiverterPower ON the deviceRun the FLX-MADI_Updater.bat file from the firmware package and follow theinstructions on the screen.Power cycle the device to effect the update.Thanks to the special design of the updater, it is virtuallyimpossible to damage ("brick") the device during update. Ifupdating fails or is interrupted, restart the procedure. You canalso can go back to any older firmware version at any time.9. SPECIFICATIONS10. ACCESSORIES10.1.Rack mount kitsFor integration in 19" racks, two kinds of rack mount kits / brackets are available:RM-FLX1: For mounting one FLX device into 1U 19" spaceRM-FLX2: For mounting two FLX devices into 1U 19" space10.2.Additional (redundant) power supplyPWR-FLX: Additional power supply to provide redundancy for single-FLXconfigurationsFlexLink Cable 0.5m. HDMI cable with locking screws11. APPENDIX11.1.WarrantyWe offer a full two (2) year warranty from the date of purchase. Within this period,we repair or exchange your device free of charge in case of any defect*. If youexperience any problems, please contact us first. We try hard to solve your problem as soon as possible, even after the warranty period.* Not covered by the warranty are any damages resulting out of improper use,willful damage, normal wear-out (especially of the connectors) or connection withincompatible devices.11.2.Manufacturer contactAppsys ProAudioRolf Eichenseher Bullingerstr. 63 / BK241 CH-8004 Zürich Switzerland www.appsys.ch**************Phone: +41 43 537 28 51 Mobile: +41 76 747 07 4211.3.FCC ComplianceThis equipment has been tested and found to comply with the limits for a class Bdigital device, pursuant to part 15 of the FCC Rules. These limits are designed toprovide reasonable protection against harmful interference in a residentialinstallation. This equipment generates, uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions, may causeharmful interference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation. If this equipment does causeharmful interference to radio or television reception, which can be determined byturning the equipment off and on, the user is encouraged to try to correct theinterference by one or more of the following measures:Reorient or relocate the receiving antennaIncrease the separation between the equipment and receiverConnect the equipment into an outlet on a circuit different from that to whichthe receiver is connectedConsult the dealer or an experienced radio/TV technician for helpFLX-MADI This equipment has been verified to comply with the limits for a class B computingdevice, pursuant to FCC Rules. In order to maintain compliance with FCCregulations, shielded cables must be used with this equipment. Operation with non-approved equipment or unshielded cables is likely to result in interference to radioand TV reception. The user is cautioned that changes and modifications made tothe equipment without the approval of manufacturer could void the user’s authorityto operate this equipment.11.4.RecyclingAccording to EU directive 2002/96/EU, electronic devices with acrossed-out dustbin may not be disposed into normal domesticwaste. Please return the products back for environment-friendlyrecycling, we'll refund you the shipping fees.11.5.Document Revision History1: Initial release11.6.About this documentAll trademarks mentioned in this document are property of the respective owners.All information provided here is subject to change without prior notice.Document Revision: 1 · 2021-11-29Copyright © 2021 Appsys ProAudio · Printed in SwitzerlandIDENT 9.00.16146.00User's ManualDeclaration of ConformityThe manufacturer:Appsys ProAudioRolf EichenseherBullingerstr. 63 BK 241CH-8004 ZürichSwitzerlanddeclares under sole responsibility that the products mentioned below:Flexiverter FLX-MADImeet the requirements of the following standards:EN 55024:2010EN 55032:2015 Class BEN 61000-3-2:2006/A1/A2:2009EN 61000-3-3:2009EN 61000-6-3:2007/A1:2011Therefore the product fulfills the demand of the following EC directives:73/23/EWG(Directive related to electrical equipment designed for use within certain voltage limits)89/336/EWG(Directive related to electromagnetic compatibility)The devices are marked accordingly.Zürich, 21.11.2021Rolf Eichenseher (CEO)。
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数字转换训练
一、数位转换：
训练方法：分别用英语和汉语视译以下数字，反复练习几遍，达到数位转换自动化的程度。
汉英转换：
1千1万3万 1.2万10万6万33万1百万1千万180万7千万1亿10亿13亿60.5亿62万 3.8亿1万亿270万5千万12万5千356亿7千万203.7亿6亿5千万11亿5百万23.4万8.9万亿10万亿
英汉转换：
1 billion 10 million 50 thousand 33 million 1.3 billion 125 thousand
1 trillion 1 hundred million 900 million 800 thousand
3 hundred thousand 123 million 1 billion 2 million 3 thousand
2 billion 468 million 54 million 321 thousand 7.65 billion
二、数字朗读：
训练1. 以下每个数字先用中文朗读，再用英文朗读，然后继续读下一个数字。
3 6 8 21 86 207 576 919 2010 4777 5012 6636 20500 31370 91003 108025 110120 123456 200020 214598 78965
4 818009 901030 919919 1000000 2500000 4834667 555500
5 6002100 8100808 13801020 20112012 39000000 426802000 670001200 987654321 1234567890 2030405060 300500700900 880066004400 9000800070006
训练2.Practice the following figures by using the English sentence patte rn of “…covers an area of …square kilometers with a population of …”.And then interpret them from English into Chinese.
三、数字概念转换：
汉英：三分之一八分之一五又三分之一20/75 一比零三乘以六五的三次方根号二零点六七数十万数亿三倍37号
8成7.5折10个百分点3番2打0.94% 连续三年
19世纪80年代千年大后年半夜十二点一个时辰“十二五”
英汉：two dozens one score one gross six to the power of ten three squared three-nil 1.1-fold 17 percent off quadruple
May 31, 2011 AD 76 6 a.m. 3:12 13:52 first season
minus five absolute value of zero
四、数字单位转换：
汉英转换：
36.2公里123.45亿美元90.2公斤2529万公顷3000.68万吨 4.45亿千瓦
960万平方公里1斤2两10千克34英寸1000立方米350毫升6英尺5000升120英里/小时346米/秒45000万人 2.97万亿美元 3.3万公里1码1100万户180磅7000万人次零下10摄氏度98.6华氏度32品脱100加仑1亩3分地800帕斯卡9.8牛顿32焦耳3欧姆120平米6盎司5毫米
英汉转换：
$79.30 ￥10 million 2 cents 3 quarters 1 nickel five feet four
42 miles 3 p.m. 9 pounds 6 ounces 150 grams 6lb 4oz
a quart (of milk) 2.471 acres 256 kbps 1 nanometer 5 yards
150,000 sq meters 100 hectares 2,098 cubic meters 1,000 yen
37 ℃ 5.2 on the Richter scale 180,000 light-years 25 mph
五、数字变化转换：
请将下面的句子口译成对应的英语或汉语：
1）今年12月份居民消费价格指数同比上涨9.6%，环比上涨1.1%
2）四川是西部地区吸收外资最多的省份，达到8.22亿美元，占西部地区的35.3%。
3）人民币在香港的存款已经超过三千亿。
4）现在同1994年相比，人民币的有效汇率升值57.9%。
5）People’s income today is three times higher than that of a decade ago.
6）This would reduce the deficit by more than $400 billion over the next decade.
7）The year-end foreign exchange reserves of China reached US$1,066.3 billion, an increase of US$ 247.3 billion as compared to the beginning of the year.
8）The overall profitability of UK private corporations in the fourth quarter of 2006 was 15.5%, which was higher than the estimate of 15.2% recorded in the previous quarter.。