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high-frequency
释义
WordReference Random House Unabridged Dictionary of American English © 2024
high
′
fre
′
quency,
Radio and Television
the range of frequencies in the radio spectrum between 3 and 30 megahertz.
1890–95
high
′
-fre
′
quen•cy
,
adj.
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更新时间:2026/6/22 17:32:35