utility function

• 效用函数

utility function的用法和样例：

例句

1. In the first part of this paper, we introduce briefly the background and recent research of recursive utility.
   本文第一章首先对递归效用函数的背景及研究近况作了一个简要的介绍。
2. So people begin to find out if there is another utility which is more practical and less complicated.
   于是，人们开始研究是否有其他更切合实际但又不至于过分复杂的效用函数。