唐山地震後科普工作搞了好幾年，學習資料很多，隻是有些人不看，不學。

來源: 戰洪圖於 2011-03-12 19:16:35 [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.