... telemarketing 电话销售 television audience measurement 电视观众测量 television home shopping 电视家庭购物 ...
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Antenna and propagation: usually by means of electromagnetic wave for information transmission system, such as radio, television, communication, navigation, radar, antenna are an essential part of.
天线与电波传播:凡是借助于电磁波进行信息传输的系统,例如广播、电视、通讯、导航、雷达等,天线均是必不可少的重要组成部分。
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