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问题解答:
http://www.ha.xinhuanet.com/fuwu/tupian/2004-11/09/content_3183747.htm http://image.baidu.com/i?tn=baiduimage&ct=201326592&lm=-1&cl=2&word=%CA%C0%BD%E7%C3%FB%CA%A4&t=3
http://image.baidu.com/i?ct=201326592&cl=2&lm=-1&tn=baiduimage&pv=&word=%CA%C0%BD%E7%C3%FB%CA%A4&z=0