http://image.baidu.com/i?ct=503316480&z=1094294951&tn=baiduimagedetail&word=清华节能楼&in=1http://www.cnsolar.net/2/Academic/2006-1/26/20_17_07_408.htm这个行吗?
http://digi.it.sohu.com/20050622/n240124741.shtml