extremely high frequency
短语词组
- ehf extremely high frequency 超高频率;极高频
- extremely high frequency band 极高频带
- Extremely high frequency wave 极高频电磁波
- extremely high frequency propagation [电子]极高频传播
- Advanced Extremely High Frequency 先进极高频;先进极高频卫星;高级超高频
- advanced extremely high frequency satellite 极其先进的高频卫星 返回 extremely high frequency