电信专业英英词典C-1

 

　　Cache - Generally, a place to temporarily store something. Regarding computers and telecommunications, it is a place where data is temporarily stored during transmission.

　　Call - This is a connection between two or more users with the intent of exchanging information.

　　Call Back - This is a security method with which a user calls into a system and requests to be called back by the system at a particular, predetermined number.

　　Caller - Anyone who makes a call.

　　Caller ID - The service that allows someone being called to see the caller's name and phone number.

　　Call Progress - This is the status of the telephone line. It can be busy, ringing, not ringing, etc.

　　Call Waiting - This is a service that tells you if someone is trying to call you when you are already using the line (i.e., talking with someone else).

　　Capacitor - This is an electronic device for storing electric charge.

　　Capture Effect - This effect occurs when two signals are received that are the same (or nearly the same) frequency. The stronger signal will appear in the output.

　　C-Band - The portion of the electromagnetic spectrum¹ allotted² for satellite transmission; it is the 4 to 8 GHz frequency transmission range. Specifically, the 3.7 to 4.2 GHz band is used as the downlink, and the 5.925 to 6.425 GHz band serves as the uplink.

　　Card - This term refers to a computer peripheral³ that can be connected internally (i.e., directly), without any cables, to a computer, such as a modem⁴.

　　Caret⁵ - This is the character "^".

　　Carrier - This term refers to: (1) a company, such as a local telephone company, that provides circuits dedicated⁶ to communication, and (2) an electrical signal capable of being modulated⁷ to carry information.

　　Carrier Detect (CD) - This is a light on most modems⁸ that signifies, when lit, that the modem is connected.

　　Carrier Frequency - The main frequency on which data, a voice, or video signal is sent. Common microwave and satellite communications transmitters operate in the band from one to fourteen GHz.

　　Carrier Signal - The basic radio, television, or telephony center of a frequency transmission signal.

1 spectrum   

n.谱，光谱，频谱；范围，幅度，系列

参考例句：

• This is a kind of atomic spectrum.这是一种原子光谱。
• We have known much of the constitution of the solar spectrum.关于太阳光谱的构成，我们已了解不少。

2 allotted   

分配，拨给，摊派( allot的过去式和过去分词 )

参考例句：

• I completed the test within the time allotted . 我在限定的时间内完成了试验。
• Each passenger slept on the berth allotted to him. 每个旅客都睡在分配给他的铺位上。

3 peripheral   

adj.周边的，外围的

参考例句：

• We dealt with the peripheral aspects of a cost reduction program.我们谈到了降低成本计划的一些外围问题。
• The hotel provides the clerk the service and the peripheral traveling consultation.旅舍提供票务服务和周边旅游咨询。

4 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。

5 caret   

n.加字符号

参考例句：

• Move the caret to a specified position.将插字符移动到指定的位置。
• The caret shape can be a line,a block,or a bitmap.插入符可以是一根短线、一个方块或者一幅位图。

6 dedicated   

adj.一心一意的；献身的；热诚的

参考例句：

• He dedicated his life to the cause of education.他献身于教育事业。
• His whole energies are dedicated to improve the design.他的全部精力都放在改进这项设计上了。

7 modulated   

已调整[制]的，被调的

参考例句：

• He carefully modulated his voice. 他小心地压低了声音。
• He had a plump face, lemur-like eyes, a quiet, subtle, modulated voice. 他有一张胖胖的脸，狐猴般的眼睛，以及安详、微妙和富于抑扬顿挫的嗓音。

8 modems   

n.调制解调器( modem的名词复数 )

参考例句：

• Yes, floppy day, as did 9600 baud dial up modems. 是的，当时软件是最主要的工具，还有9600波特拨号调制解调器。 来自互联网
• Extra settings for configuring BAD modems that cannot identify proper disconnect tone. 额外的设置，配置不好的调制解调器不能确定适当的断开的语调。 来自互联网