航空电视

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  1. 美国航空航天局电视视频流和下行信息,请访问

    For NASA TV streaming video and downlink information , visit

  2. 太阳高速喷出的巨大粒子云团高频无线电波通讯、人造卫星航空系统和电视广播传输都了威胁。

    The gigantic cloud of highly charged particles hurled from the sun posed a threat to high frequency radio communications , satellite navigation systems and television broadcasts .