The single feed point produces a uniform traveling wave a desired frequency of the radio wave.
该单一馈送点产生无线电波所需频率的均匀行波.
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Direct conversion of electric energy to light by a solid phosphor subjected to an alternating field.
说明有关通过交变电磁场来实现的传输(无线电波、光).
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超强能量的无线电波被发射到电离层, 加热那些区域, 由此抬升它们.
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射电望远镜是巨大的抛物形天线，使用这种天线我们能够收集来自外层空间的无线电波。
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Aircraft buzzed overhead searching the forest and intelligence specialists monitored the airwaves.
飞机盘旋在丛林上空进行搜索,情报人员监听着无线电波.
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The radio waves generate heat in the targeted muscle tissue and burn away.
无线电波在靶向的肌肉聚集热量并且燃烧掉他们.
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Instead, Big Ben's mellow voice came clear, sententious . Reassuring, over the air.
但恰恰相反, 通过无线电波从收音机里传出的是大本钟柔和圆润的钟声,那么清晰 、 威严, 给人以安慰和信心.
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Their instruments detected very faint radiowaves at a frequency of 3 kilohertz.
他们的仪器检测到一个3千赫的微弱无线电波。
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The fishnet must absorb only a tiny fraction of the radio waves to avoid being vaporized.
为了防止被蒸发,探测器只能吸收微量的无线电波.
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Much later Heinrich Hertz demonstrated radio waves in a primitive manner.
隔了相当长一段时间,赫兹用一种简单的方法证明了无线电波的存在.
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