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中文 英文 缩写 分线盒 adapter junction box 分线盒/接线盒 distribution box/junction box 分线箱/交接箱 joint-box 分谐频 subfrequency 分压器 potential divider 分用器 demulti
DAMA - Stands for Demand-Assigned Multiple Access. This is a way to instantaneously assign telephony channels in a transponder according to the immediate traffic demands. Dash - This is the the charac
D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in
DCC Data Country Code 数据国家号码(3位) DCC Digital Cross Connect 数字交叉连接 DCCE Digital Cell Center Exchange 数字小区中心交换机 DCCH Dedicated Control CHannel 专用控制信道
By Jerilyn Watson THIS IS AMERICA -May 13, 2002: Sondheim Celebration VOICE ONE: The John F. Kennedy Center for the Performing Arts in Washington, D.C currently is honoring the work of one of America’
BEIJING, March 12 (Xinhua) -- China's Ministry of Finance (MOF) has revised a list of major items of technical equipment enjoying import-tax exemption, according to a circular issued by the body on Monday. Chinese manufacturers of items of large tech