“Direct Broadcasting Satellite (DBS) Service”的概念、定义、翻译、参考文献-科学参考

单词	Direct Broadcasting Satellite (DBS) Service
释义	Direct Broadcasting Satellite (DBS) Service Encyclopedia 工学直播卫星释 Direct Broadcasting Satellite (DBS) Service直播卫星业务利用直播卫星开展的卫星视频和音频广播业务，用户或最终用户直接从同步轨道直播卫星接收信号的卫星电视系统，信号以数字格式在微波频率下广播。
随便看	nondegenerate quadratic form non-degenerate quadratic space nondegenerate quadratic space nondegenerate quadric nondegenerate representation non degenerate semi bilinear form non-degenerate semi-bilinear form nondegenerate semi bilinear form non-degenerate semiconductor nondegenerate set nondegenerate simplex nondegenerate singular point nondegenerate state nondegenerate system nondegenerate type non degradation substance non-degradation substance nondegradation substance nondeliverable item non-demolition filtering and observation nondense nondense set nondense subset non-denumerability non-denumerable set

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