问题描述:
PS用的..像素要高~~~谢谢
问题解答:
http://image.baidu.com/i?ct=503316480&z=0&tn=baiduimagedetail&word=%CA%C0%B2%A9%BB%E1&in=29&cl=2&cm=1&sc=0&lm=-1&pn=28&rn=1
http://www.expo2010china.com/expo/shexpo/index.html