英语词汇“directional antenna”是什么意思，“directional antenna”的读音、用法及例句翻译-烛光网

词汇	directional antenna
释义	directional antennan.（名词） An antenna that receives or sends signals most effectively in a particular direction.定向天线：在特定方向最有效地接收或发送信号的天线
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