并且介绍了广义效用函数法和层次分析法这两种在判别中计算权重的方法。

And introduces the two common types of estimation technology that is Analytic Hierarchy Process, and Generalized Indicator Functions.

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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。

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.

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该方法既克服了期望值-差法和夏普指数法的不足，又在一定程度上避免了效用函数构造的困难。

The new method has overcomed the shortcomings of the Expectation-Variance method and Sharpe's Index method, and avoids the inconvenience of constructing utility function to a certain extent as well.

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