Here are two more graphs with absolute values

來源: 抓狂的伊小妮於 2013-08-02 19:29:39 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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