PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。
The PAC learning framework provides a formal way to quantify the learnability of a concept class.
With freedom, books, flowers and the moon who could not be happy?
可持续增长的关键是在经济进步和环境责任之间取得平衡。
我们都是我们记忆的总和。
The heart is an organ of fire.