1楼.61.236.71.228于2005-12-25 22:42:33:
好
2楼.60.184.222.229于2007-6-26 12:57:47:
good
3楼.58.62.210.156于2008-10-4 14:42:52:
CLEVER
4楼.770625361于2008-11-23 14:54:21:
very good
5楼.124.167.10.134于2009-11-18 20:36:01:
顶
6楼.119.162.24.203于2011-8-16 14:32:53:
祖冲之真不愧是我国的科学家。