- [電子] 中頻電波傳播
- medium frequency radio wave: 中頻無線電波
- propagation of high frequency radio wave: 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
- radio propagation medium: 無線電傳播媒質(zhì)
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