短語詞組短語utility expectation value 效用期望值utility expectation value decision 效用期望值決策Weighted Utility Value 加權(quán)效用值Utility value of service 服務(wù)效用價值理論has greatly utility value 很有應(yīng)用價值fuzzy utility value 模糊效用值utility value of water 水的效用價值very strong utility value 較強(qiáng)的實用價值extrinsic utility value 外在實用價值 返回 utility value