极低频（Extremely low frequency）是指频率由3Hz至3kHz波长，10000公里至100000公里的无线电波。而多数给美军及俄罗斯军方用作军事装备武器和潜艇沟通。
极低频 [通信] extremely low frequency ; ELF ; VLF ; extra low frequency
极低频探地 WEM
极低频电磁场 extremely low frequency electromagnetic fields ; EMFs ; ELF EMF
人工源极低频电磁技术 CSELF
极低频电磁辐射 ELF emission
极低频磁场 ELF-MFs ; extremely low frequency magnetic field ; ELFMF
探讨极低频磁场 ELMF
人工源极低频电磁法 CSELF
极低频通信 [通信] ELF communication
或极低频辐射 ELFR
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为促进组织修复的重要频率在生物的重要极低频所有(低频)的范围。
The important frequencies for stimulating tissue repair are all in the biologically important extremely low frequency (ELF) range.
在茫茫大洋深处，唯一可用的通信手段就是甚低频或者极低频无线电。
Out in the no-mans land of the international waters are the only means of communication with the submarines to use radio in the vlf or elf range.
目的研究极低频电磁场及其与铅的联合作用对小鼠脑和肝脏抗氧化系统的影响。
Objective To study the effects of extremely low frequency electromagnetic field(ELF EMF) and its combination with lead on the antioxidant system in mouse brain and liver tissues.
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