Innovation is not just about new ideas, but about executing them effectively.
模糊集的概念提供了一种自然的方式来处理那些不精确性源于缺乏明确定义的类别成员标准的问题。
有时,生活中最困难的部分不是痛苦,而是等待。
That's one small step for (a) man, one giant leap for mankind.
I love playing with the physicality of books - flaps, holes, different sizes.