It is the rate of change in total utility per unit change in quantity and is not the utility of a marginal unit.
它是（商品）量的每单位变动带来的总效用变动率，而不是边际单位的效用。
Using analytic hierarchy process(AHP) to ascertain the weighing of every index and to ascertain the value of every index by constructing utility function, the total utility value of highway constr.
采用层次分析法确定各评价指标的权重，通过建立效用函数确定各评价指标的效用值，最后通过总效用函数模型求得公路建设项目总效用值。
Total utility is equal to the product of the average utility and the number of oranges — i. e. , this is a definition of average utility consistent with our usual use of the term average.
总效用等于平均效用和橙子数量的乘积——即是说，这是平均效用的定义，该定义符合我们平常所用“平均”一词的含义。
Total utility is equal to the product of the average utility and the number of oranges — i. e. , this is a definition of average utility consistent with our usual use of the term average.
总效用等于平均效用和橙子数量的乘积——即是说，这是平均效用的定义，该定义符合我们平常所用“平均”一词的含义。
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