电信专业英英词典A-2

　　Analog¹ - Transmitting information that is characterized by continuously variable quantities (such as with AM or FM). This is different from digital transmission, which is characterized by discrete³ bits of information transmitted in numerical steps.

　　Analog-to-Digital Conversion⁴ (ADC) - Converting analog signals to their digital representation. (DAC represents the reverse translation.)

　　ANIK - The Canadian domestic satellite system that transmits the CBC's (Canadian Broadcasting Corporation's) network feeds throughout Canada. This system also carries data and long distance voice services throughout Canada.

　　Anonymous⁵ - An unknown author of a software program or message.

　　ANSI - This stands for American National Standards Institute, which was founded in 1918 and creates voluntary standards for data transmissions, protocols⁶, and high-level languages.

　　Answer Back - This is a signal sent to a transmitter of information that, in effect, says "I am ready to receive information now." It can also signify the successful reception of information.

　　Answer Mode - A modem's condition in which it is ready to receive data.

　　Answer Supervision⁷ - A signal sent to the telephone company's central office that says a call has been connected (primarily used for long-distance phone calls to start the billing time).

　　Antenna⁸ - A device for transmitting and receiving radio waves. Depending on their intended use, antennas⁹ could be a single piece of wire, a di-pole, a grid¹⁰, a helix, a parabolic satellite dish, etc.

　　Aperture¹¹ - A cross-sectional area of the part of the antenna that is to be exposed to the received satellite signal.

　　Apogee¹² - The point in an elliptical satellite orbit which is farthest from the surface of the earth.

　　Apogee Kick Motor (AKM) - The rocket motor that is fired to deploy¹³ the satellite into geostationary orbit.

　　Append - To add the contents of one thing to that of another.

　　Archive - This is a backup of a file in compressed or uncompressed form.

　　Area code - This is a 3-digit number, preceding normal 7-digit telephone numbers, that are used by the telephone company to designate a geographic¹⁴ billing area in the US.

　　ASCII - This stands for American Standard Code of Information Interchange, and it is a popular code for representing letters, numbers, and punctuation¹⁵ into a digital format².

　　Asterisk¹⁶ - This is the character "*".

　　Asynchronous Transmission - This is a method of data transmission that allows characters to be sent irregular intervals¹⁷.

1 analog   

n.类似物，模拟

参考例句：

• The analog signal contains high-frequency video information,which helps make up the picture.模拟信号包括有助于构成图像的高频视频信息。
• The analog computer measures continuously,without proceeding step by step.模拟计算机不是一步一步地进行，而是连续地进行量度。

2 format   

n.设计，版式；[计算机]格式，DOS命令:格式化(磁盘)，用于空盘或使用过的磁盘建立新空盘来存储数据；v.使格式化，设计，安排

参考例句：

• Please format this floppy disc.请将这张软盘格式化。
• The format of the figure is very tasteful.该图表的格式很雅致。

3 discrete   

adj.个别的，分离的，不连续的

参考例句：

• The picture consists of a lot of discrete spots of colour.这幅画由许多不相连的色点组成。
• Most staple fibers are discrete,individual entities.大多数短纤维是不联系的单独实体。

4 conversion   

n.转化，转换，转变

参考例句：

• He underwent quite a conversion.他彻底变了。
• Waste conversion is a part of the production process.废物处理是生产过程的一个组成部分。

5 anonymous   

adj.无名的；匿名的；无特色的

参考例句：

• Sending anonymous letters is a cowardly act.寄匿名信是懦夫的行为。
• The author wishes to remain anonymous.作者希望姓名不公开。

6 protocols   

n.礼仪( protocol的名词复数 )；（外交条约的）草案；（数据传递的）协议；科学实验报告（或计划）

参考例句：

• There are also protocols on the testing of nuclear weapons. 也有关于核武器试验的协议。 来自辞典例句
• Hardware components and software design of network transport protocols are separately introduced. 介绍系统硬件组成及网络传输协议的软件设计。 来自互联网

7 supervision   

n.监督，管理

参考例句：

• The work was done under my supervision.这项工作是在我的监督之下完成的。
• The old man's will was executed under the personal supervision of the lawyer.老人的遗嘱是在律师的亲自监督下执行的。

8 antenna   

n.触角，触须；天线

参考例句：

• The workman fixed the antenna to the roof of the house.工人把天线固定在房顶上。
• In our village, there is an antenna on every roof for receiving TV signals.在我们村里，每家房顶上都有天线接收电视信号。

9 antennas   

[生] 触角，触须（antenna的复数形式）

参考例句：

• Marconi tied several antennas to kites. 马可尼在风筝上系了几根天线。 来自超越目标英语 第3册
• Radio astronomy today is armed with the largest antennas in the world. 射电天文学拥有世界上最大的天线。

10 grid   

n.高压输电线路网；地图坐标方格；格栅

参考例句：

• In this application,the carrier is used to encapsulate the grid.在这种情况下，要用载体把格栅密封起来。
• Modern gauges consist of metal foil in the form of a grid.现代应变仪则由网格形式的金属片组成。

11 aperture   

n.孔，隙，窄的缺口

参考例句：

• The only light came through a narrow aperture.仅有的光亮来自一个小孔。
• We saw light through a small aperture in the wall.我们透过墙上的小孔看到了亮光。

12 apogee   

n.远地点；极点；顶点

参考例句：

• The orbit of the artificial satellite has an apogee of 200 miles from the earth.这个人造卫星的轨道，其最远点在离地球200英里的地方。
• Apogean tides occur when the moon is at the apogee of its orbit.远月潮在月球位于其轨道的最远点时发生。

13 deploy   

v.（军）散开成战斗队形，布置，展开

参考例句：

• The infantry began to deploy at dawn.步兵黎明时开始进入战斗位置。
• The president said he had no intention of deploying ground troops.总统称并不打算部署地面部队。

14 geographic   

adj.地理学的，地理的

参考例句：

• The city's success owes much to its geographic position. 这座城市的成功很大程度上归功于它的地理位置。 来自《简明英汉词典》
• Environmental problems pay no heed to these geographic lines. 环境问题并不理会这些地理界限。 来自英汉非文学 - 环境法 - 环境法

15 punctuation   

n.标点符号，标点法

参考例句：

• My son's punctuation is terrible.我儿子的标点符号很糟糕。
• A piece of writing without any punctuation is difficult to understand.一篇没有任何标点符号的文章是很难懂的。

16 asterisk   

n.星号，星标

参考例句：

• The asterisk refers the reader to a footnote.星号是让读者参看脚注。
• He added an asterisk to the first page.他在第一页上加了个星号。

17 intervals   

n.[军事]间隔( interval的名词复数 )；间隔时间；[数学]区间；（戏剧、电影或音乐会的）幕间休息

参考例句：

• The forecast said there would be sunny intervals and showers. 预报间晴，有阵雨。
• Meetings take place at fortnightly intervals. 每两周开一次会。