在计算学习的背景下,“可能近似正确”(PAC)学习的概念为理解学习算法的效率和可行性提供了一个框架。
The writer’s duty is to speak for those who cannot.
Light is the most important material in architecture.
We need to ensure that the Internet remains open and accessible to all.
儿童对活动的需要几乎比食物的需要更为强烈。