• 1. extremely low frequency: 极低频 | 磁场 | 超低频磁场 | 超低频
• 2. extremely low frequency electromagnetic fields: 极低频电磁场 | 正极低频电磁场 | 指极低频磁场
• 3. extremely low frequency antenna: 极长波天线

更多释义

• 1.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。
  dict.yoduao.com
• 2.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。
  dict.yoduao.com
• 3.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。
  dict.yoduao.com

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