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单词
radio frequency
释义
radio frequency
n.
(
pl.
-ies
)
the frequency band of telecommunication, ranging from 10
4
-10
1
1
or 1012 Hz
无线电频率
hyphenated when
attrib.
作定语时加连字符
:
radio-frequency spectrum
射频谱
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更新时间:2026/5/11 2:02:01