• 电磁兼容电磁原理出发,分析了高山电视转播台雷击产生干扰破坏的途径。

    From the electromagnetic principle of electromagnetic compatibility, the destructive interferences of lightning produced by high mountains television relay station were analyzed.

    youdao

  • 共有短波广播发射台转播台732座,广播综合人口覆盖率达到92.1%;

    732 medium- and short-wave broadcasting transmitting and relay stations, covering 92.1 percent of the population;

    youdao

  • 共有短波广播发射台转播台732座,广播综合人口覆盖率达到92.1%;

    732 medium- and short-wave broadcasting transmitting and relay stations, covering 92.1 percent of the population;

    youdao

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