全国量值比对
Value of quantity comparison
同阶特征对比值变化量
same mode eigenparameter change ratio
必需氨基酸总含量比值
ratio of total essential amino acids content
测量比对
intercomparison measurement
Intercomparison of measurement
电量比对试验
electric energy comparision test
定量比值分析法
simple ratio method of quantification
风量与水量比值
the ratio of air quantity and water volume
计算值与测量值比较
comparison of calculated and measured values