“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	quasinorm quasinormal quasinormal family quasinormal group quasinormality quasinormal space quasinormal vector quasinormed quasi-normed [linear] space quasi-normed linear space quasinormed linear space quasi-normed space quasinormed space quasi-one dimensional conductor quasi-open quasi-open mapping quasi-open transformation quasi-operation quasi optical circuits quasi-optical circuits quasi optical coupling quasi-optical coupling quasi-optical feed quasi-optical wave quasi optics imaging

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