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The PAC learning framework provides a formal way to quantify the learnability of a concept class.
I want to stand as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center.
行政管理既不是企业高层或资深成员的专属特权,也不是他们的特殊责任;它是一种活动,像所有其他活动一样,分散在企业的领导层和成员之间。