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umbrella antenna中文是什么意思

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用"umbrella antenna"造句"umbrella antenna"怎么读"umbrella antenna" in a sentence

中文翻译手机手机版

  • 【无线电】伞形天线。

百科解释

An umbrella antenna is a top-loaded electrically lengthened monopole antenna, consisting in most cases of a mast fed at the ground end, to which six or more wires are connected at the top, sloping downwards. The outer end of each wire is terminated by an insulator, usually placed at about one third the total height to isolate the lower support-wire or rope which is anchored to the ground.
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