extremely low frequency
短语词组
- extremely low frequency emission 超低頻放射;繙譯;超低頻發射
- extremely low frequency transmitting 超低頻發射
- extremely low frequency propagation [電子]極低頻傳播
- extremely low frequency field 工頻電場
- Extremely Low Frequency Radiator 極低頻電磁輻射器
- extremely low frequency antenna 極長波天線
- ELF extremely low frequency 極低頻
- Extremely Low Frequency Electromagnetic Field 研究極低頻率電磁場;觀察極低頻電磁場;極低頻率電磁場
- extremely low frequency magnetic fields 極低頻磁場 返回 extremely low frequency