这么一说，俺学生时候是学过概率论，随机过程等课程

来源: 随风而来于 2014-10-31 01:03:16 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.