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单词
shortwave propagation
释义
shortwave propagation
shortwave propagation
[
′shȯrt′wāv ‚präp·ə′gā·shən
]
(communications)
Propagation of radio waves at frequencies in the range from about 1600 to 30,000 kilohertz.
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更新时间:2025/11/2 12:36:18