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.
随便看	psdi psdip psdj psdk psdl psdlaf psdm psdma psdn psdo psdp psdpc psdq psdr psdra psdram psdrr psdrs psds psds2 psdsh psdsp psdsra psdt psdtc

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very low frequencies