N a radio frequency or radio-frequency band below 3 kilohertz (低于3千赫的)极低频 ( abbr: ELF)
This falls in the extremely low frequency (ELF) range which includes frequencies up to 300 Hz.
这种频率属于极低频的频率范围内,通常极低频的频带范围也在300hz以下。
This analytic method is also suitable for the bands of extremely low frequency (ELF) and very high frequency (VHF).
这种分析方法也适用于极低频到甚高频波段。
The important frequencies for stimulating tissue repair are all in the biologically important extremely low frequency (ELF) range.
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。
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