- double-frequency
- 倍频: frequency doubling; frequenc ...
- 罩: cover; overspread; wrap
- 倍频: frequency doubling; frequency multiplication; shg (second harmonic generation) (获得频率为原振荡频率整数倍的另一振荡的方法)
- 倍频程；倍频带: octave band
- 倍频，双频: double frequency
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倍频罩的英文
发音:
- double-frequency
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