请输入您要查询的英文单词:
单词
very low frequency
释义
very low frequency
n.
(名词)
abbr.
vlf, VLF
【缩写】
A band of radio frequencies falling between 3 and 30 kilohertz.
甚低频:在三到三十千赫之间的声波频率
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更新时间:2026/5/21 19:49:29