是指数递减不是线性递减。数学模型，只要解释的通就可以，不是唯一解。

来源: rapidestate 于 2019-01-27 13:13:43 [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.