模糊集的概念为构建一个在许多方面与普通集框架平行的概念框架提供了一个方便的出发点。
The challenge of computer science is not just to build faster machines, but to understand the very fabric of computational possibility.
挫折不是惩罚,而是学习的机会。
Everyone thinks of changing the world, but no one thinks of changing himself.