“阈”念“YU"，“阈值”你查字典吧，呵呵！对于你的跟贴，我无语！

来源: hairycat 于 2009-03-05 09:27:26 [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.