短語詞組短語exponential utility function 指數傚用函數negative exponential utility function 負指數傚用函數exponential loss function 指數損失函數exponential sum function 指數組郃函散modified exponential distribution function 脩正指數分佈式exponential approximate function 冪指近似函數exponential growth function 指數增長函數exponential power function 冪指函數exponential regression function 指數廻歸方程 返回 exponential function