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单词
narrow-beam antenna
释义
narrow-beam antenna
narrow-beam antenna
[
′nar·ō ¦bēm an′ten·ə
]
(electromagnetism)
An antenna which radiates most of its power in a cone having a radius of only a few degrees.
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avoirdupois measure
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avoision
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a volte-face
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更新时间:2026/1/15 5:54:25