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Cassegrain Antenna - An antenna that places a subreflector at the focal point to reflect energy to or from a feed located at the apex of the main reflector. CB - This stands for Citizen's Band and is
Channel A channel is a single communications path in a transmission medium connecting two or more points in a network, each path being separated by some means; e.g., spatial or multiplex separation, s
中文 英文 缩写 多功能话务台 Multi-function Attendant Console MAC 多功能信息分配系统 Multi-function Information Distribution System MIDS 多级存储管理 multi-tier hierarchical
中文 英文 缩写 按次付费电视 pay-per-view 按次计费制 message rate system 按次计费制/测量系统 metering system 按电路群闭塞 block by circuit group 按分计费 charge per
By Challiss McDonough Cairo 18 January 2007 For months, Iraqi and U.S. officials have been trying to shut down a satellite television station that shows Iraqi insurgent videos and denounces the Shi'ite-led government of Iraq. But the station continu