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单词
radiospectrum
释义
radio spectrum
美
英
na.
【无线】射频频谱
网络
无线电频谱
英汉
英英
网络释义
na.
1.
【无线】射频频谱
n.
1.
the
range
of
radio
frequencies
used
for
radio
,
television
,
and
other
electromagnetic
communications
,
between
10
Khz
and
300
MHz
1.
无线电频谱
据专家介绍，
无线电频谱
(
radiospectrum
)一般指9K H z-3000G H z频率范围内发射无线电波的无线电频率的总称。所有的无线 …
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on high
on high alert
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更新时间：2026/9/8 9:25:38