Kakutani theorem

例句：

1. 1.This is the first time I have encountered the Kakutani theorem in my research.
   这是我第一次在我的研究中遇到小田切定理。
2. 2.The Kakutani theorem has been widely applied in various fields of economics.
   小田切定理在经济学的各个领域都有广泛的应用。
3. 3. The Kakutani theorem provides a useful framework for analyzing the impact of technological innovation on the economy.
   小田切定理为分析技术创新对经济的影响提供了一个有用的框架。