You should fix the television antenna before receiving programs.

接收节目前，你应该先装天线。

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The polarization adjustment of receiving antenna influence on the receiving effect of satellite television. The great importance of polarization matching has been attached.

接收天线的极化调整影响卫星电视的接收效果，极化匹配问题越来越受到人们的重视。

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In modern radio technology components such as communication, broadcast, television and radar system, the radiation and receiving of the radio waves are inevitably, then antenna is needed.

通信、广播、电视、雷达、导航等无线电技术设备中，都需要有无线电波的辐射和接收，进而离不开天线设备。

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