“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	time balance time-bandwidth product time base time-base time-base instability time base marker time-base stability time bill time-bounded Turing machine time budget time censored test time change time characteristic time chart time coarse check time code time comparison time complexity time complexity class time-complexity function time constant time constant of guidance system time constant of turbogenerator time-constructible function time continuous Petri net

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