frequency variation
短语词组
- frequency y variation 頻率變動
- frequency of variation 變異頻率
- frequency stabilization variation method 頻率變化法
- frequency instantaneous variation 高頻瞬變
- high frequency climatic variation 高頻氣候變化
- frequency stabilization variation 頻率變化
- high -frequency instantaneous variation 高頻瞬變
- power -frequency component variation 工頻變化量
- variable - frequency speed variation 變頻調速 返回 frequency variation