甚低頻電波傳播very low frequency: 【電訊】甚低頻〔略 V.L.F., v.l.f. 〕。 very low frequency propagation: 超低頻傳播propagation of very high frequency: 甚高頻電波傳播low-frequency propagation: 低頻傳播frequency, very-low (vlf): 特低頻下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯