看来玩统计数据太虚。Dr H. Gilbert Welch 也不断告诉我们这个事实。还是实例实在，眼见为实。

来源: tournier 于 2015-03-29 14:53:58 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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