比例法
proportion
Proportional method
proportion method
ratio method
the ratio method
proportional distribution method
Percentage
scaling method
ratiometric
分段比例法
Means of separately proportion
傅里叶光谱测量比例法
ratiomethod of Fourier spectrometry
克鲁伯比例法
Czuber’s proportional method
水头比例法
water head proportion rule