frequency doubling
短语词组
- frequency difference doubling system 倍频制
- frequency y doubling 倍频
- lbo frequency -doubling lbo倍频
- Frequency -doubling gyroklystron 倍频回旋速调管
- frequency -doubling transponder 翻译;倍频转发器;倍频询答机
- BIBO frequency -doubling BIBO倍频
- intracavity frequency -doubling 腔内倍频 返回 frequency doubling