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小学综合英语1A--INTEGRATED PRIMARY ENGLISH 1A

INTEGRATED PRIMARY ENGLISH 1A [01:35.19]The alphabet [01:43.29]Aa apple [01:48.46]Bb baby [01:52.90]Cc carrot [01:57.16]Dd door [02:01.31]Ee egg [02:05.99]Ff flower [02:10.43]Gg grass [02:15.60]Hh hat [02:20.46]Ii ice cream [02:25.32]Jj jar [02:29.68

发表于:2018-12-13 / 阅读(163) / 评论(0)

小学综合英语1A

电信专业英英词典C-6

补充： CBR continuous bit rate CCIS common-channel interoffice signaling CCITT CCITT is the International Consultative Committee for Telephone and Telegraph, a consultative committee to the Interna

发表于:2019-01-03 / 阅读(58) / 评论(0)

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电信专业英英词典M-3

Multimode Optical Fiber(S) Multimode fibers, with much wider cores than single mode fibers, allow light to enter at various angles, and reflect (bounce off of) core-clad boundaries as electromagnetic

发表于:2019-01-03 / 阅读(62) / 评论(0)

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电信专业英英词典F-4

Frame In time division multiplexing systems, Frame is a sequence of time slots each containing a sample from one of the channels carried by the system. The frame is repeated at regular intervals, (nor

发表于:2019-01-03 / 阅读(42) / 评论(0)

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Integrated Schools In America, 50 Years Later

This week, Americans mark a turning point in the history of the United States. Fifty years ago, the Supreme Court issued a ruling that declared racial segregation in the nation's public schools to be

发表于:2019-01-06 / 阅读(59) / 评论(0)

VOA2004（上）--国际时事

电信术语(10)

序号中文英文术语解释缩写来源 181 运行，管理和维护 Operation,Administration and Maintenance OAM YD/T 1273-2003 182 光功率放大器 Optical Boosting Amplifier OBA YD/T 12

发表于:2019-01-08 / 阅读(80) / 评论(0)

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