- [電子] 甚高頻電波傳播
- propagation of high frequency radio wave: 高頻電波傳播
- propagation of very high frequency: 甚高頻電波傳播
- propagation of low frequency radio wave: 低頻電波傳播
- propagation of low-frequency radio wave: 低頻電波傳播
- high frequency radio wave: 高頻電波
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