method of variation of parameters是什么意思

method of variation of parameters是什么意思 variation of above Variation proportion of groundwater conditional coefficient of variation是什么意思 calculus of variation什么意思? variation of class rights是什么意思 variation 老师,这句话有语病吗?The topsis method based on the weight of the variation coefficient was used to calculate the weights of current evaluation indices.不管专业术语 这里感觉based on 应该改成basing 什么是变异系数（Coefficient of variation） coefficient of variation是什么意思? think.of.method是什么意思 method of joints是什么意思 method of agreement是什么意思 method of loading是什么? the variety of与the variation of的差别 method of undetermined coefficients是什么意思 method of analysis-synthesis是什么意思 method of comparative analysis是什么意思