1)total amount,总含量2)total alkali content,碱总含量3)Total [DNA per cell,DNA总含量4)total precipitable water,水汽总含量5)TEC,电子总含量6)THD,谐波总含量
用法和例句
At the same time,harmonic and THD of output voltage waveforms are compared,some conclusions are obtained to provide the theoretical the principle for actual industry application.