电信专业英英词典C-4

　　Compatible - When one object can be used interchangeably with another.

　　Composite Baseband - The unclamped and unfiltered output of the satellite receiver's demodulator circuit. It contains all of the video information as well as all transmitted subcarriers, such as the color subcarrier.

　　Compression - This occurs when information is reduced in size but all of the necessary information is retained.

　　Compression Ratio - This is the ratio of the original size of data that is sent to the compressed size.

　　Computer Network - See Network.

　　Configuration¹ - This is the software or hardware arrangements that define a computer (or telecom system) and determine what actions will be carried out (and how).

　　Connected - This means you are online.

　　Connect Speed - Modem² speed in bps.

　　Connection - A electrical pathway between telephones or similar devices.

　　Control Channel - With a cellular³ telephone system there are a few channels that allow the base stations to transmit information to the cell phones in its area.

　　Conus - This stands for Contiguous United States.

　　Copyright - This protects an author's work from being directly copied by another.

　　Country Code - This is the standardized⁴ code that designates a certain country.

　　Coverage⁵ Area - A geographical⁶ area that is defined by the coverage of a particular satellite.

　　CPS - See characters per second.

　　Crash - This is the complete failure of software or hardware operation. The only available option is to restart from an initial condition.

　　CRC - See Cyclic Redundancy Check.

　　Cross Modulation⁷ - A form of distortion in which modulation from one or more carriers' signals is imposed on another carrier's signal.

　　CRT - This stands for Cathode Ray Tub, and is a glass device used in video displays (e.g. televisions).

　　C/T - Carrier-to-noise-temperature ratio.

　　CTRL - This is the abbreviation for the ConTRoL key-command.

　　CTS - See Clear to Send.

　　Cursor - This is the particular marker that points out the next place the text will next appear on your screen.

　　Cyclic Redundancy Check (CRC) - This is a common process that is used to validate⁸ the integrity of a block of data.

1 configuration   

n.结构，布局，形态，(计算机)配置

参考例句：

• Geographers study the configuration of the mountains.地理学家研究山脉的地形轮廓。
• Prices range from $119 to $199,depending on the particular configuration.价格因具体配置而异，从119美元至199美元不等。

2 modem   

n.调制解调器

参考例句：

• Does your computer have a modem?你的电脑有调制解调器吗？
• Provides a connection to your computer via a modem.通过调制解调器连接到计算机上。

3 cellular   

adj.移动的；细胞的，由细胞组成的

参考例句：

• She has a cellular telephone in her car.她的汽车里有一部无线通讯电话机。
• Many people use cellular materials as sensitive elements in hygrometers.很多人用蜂窝状的材料作为测量温度的传感元件。

4 standardized   

adj.标准化的

参考例句：

• We use standardized tests to measure scholastic achievement. 我们用标准化考试来衡量学生的学业成绩。
• The parts of an automobile are standardized. 汽车零件是标准化了的。

5 coverage   

n.报导，保险范围，保险额，范围，覆盖

参考例句：

• There's little coverage of foreign news in the newspaper.报纸上几乎没有国外新闻报道。
• This is an insurance policy with extensive coverage.这是一项承保范围广泛的保险。

6 geographical   

adj.地理的；地区(性)的

参考例句：

• The current survey will have a wider geographical spread.当前的调查将在更广泛的地域范围內进行。
• These birds have a wide geographical distribution.这些鸟的地理分布很广。

7 modulation   

n.调制

参考例句：

• The soft modulation of her voice soothed the infant. 她柔和的声调使婴儿安静了。
• Frequency modulation does not allow static to creep in. 频率调制不允许静电干扰混入。

8 validate   

vt.（法律）使有效，使生效

参考例句：

• You need an official signature to validate the order.你要有正式的签字，这张汇票才能生效。
• In order to validate the agreement,both parties sign it.为使协议有效，双方在上面签了字。