difference frequency
短语词组
- difference -frequency distortion [電子]差頻失真
- difference of frequency 頻率差
- relative difference on frequency [測]頻率相對誤差
- nonlinear difference -frequency 非線性差頻傚應
- allowable difference of frequency 周波數許容偏差
- Difference -frequency Detection 頻差檢測
- phase difference high frequency protection 相差高頻保護 返回 difference frequency