英语词汇“very low frequencies”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	very low frequencies
释义	very low frequencies very low frequencies (VLF) The range of radio frequencies between 3 and 30 kHz. These are invariably ground waves, and with high-power and large, efficient antennae they can provide worldwide coverage. VLF is used by Omega.
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very low frequencies