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补充： Backbone - A series of high-speed network connections through which other networks connect. Bandwidth - According to Webster's: a range within a band of wavelengths, frequencies, or energies...
Bit - This is a contraction of the term Binary digIT, and it is a number in base 2, which means that it can only be a 0 or a 1. Bit Error Rate - The rate of message bits that are in error (an error ra...
B-Mac - This is a method of transmitting and scrambling television signals; the are time-multiplexed with a digital burst that contains digitized sound, video synchronizing, authorization, or informat...
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补充： Access - The process used for communication between your computer and the Internet. Access Lines - A telephone line running from the telephone company’s central office to a point on your p...
AT Command - This is the character "@" and usually means "at". ATT - American Telegraph and Telephone, the inventors of the first modem. Attended Mode - This is the mode in which two or more users man...
Analog - 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 discrete bit...
Abort - To stop doing something. Particularly, to exit a software program or stop receiving or sending a message. Access - (1) (verb) to get use of something, or (2) (noun) refers to a particular leve...
SE- away,separate 分离 字首se源出古拉丁文副词与介系词se,sed,原有away,separate之意.这个字首组成的英文单字,几乎全由拉丁文借来,如secedev.[脱离,退出]出自sece...
