DBMS(Data base Manage System)数据库管理系统 DBS(direct broadcast satellite)直播广播卫星 DCE(distributed computing environment)分布计算环境 ..
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随着政策的调整和卫星增值业务的开展，卫星直播广播电视业务与有线电视之间的竞争是否会加大？
As policy adjustment and satellite value-added services, satellite radio and television business and live on cable TV would increase competition between?
从数字电视广播的首次实现入手，介绍了机上变换器在卫星直播和CAT V中的应用。
Starting from the first implementation of digital TV broadcasting, the applications of set top converters in DBS and CATV are described in this paper.
中国终于有了自己的广播电视直播卫星—中星九号，尽管它目前只是为“村村通”开通了4个转发器，尚有18个转发器处于“闲置”状态。
China has finally got his own radio and television live satellite-zhongxing 9, although it at present only for the "rural" opened the four transponders, there are 18 forwarders in the "idle" state.
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