- megacycle region
- 兆赫: megahertz; megacycle per sec ...
- 波段: wave band; wave range; band; ...
- 兆赫波段射: terahertz radiation
- 兆赫: [电子学] megahertz (mhz); megacycle per second; megacycle◇兆赫波段 megacycle region
- 千兆赫: gigahertz (ghz); kilomega hertz (kmhz); kilomegacycle per second (kmc/s)
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