shenrenjun1987
发表于 2009-2-7 19:43
谢谢了啊！！！！
brad_klip
发表于 2009-2-7 19:44
确实如此，it would be better if the Abstract is put on!
yang_zh99
发表于 2009-2-7 20:13
thank you very much
yang_zh99
发表于 2009-2-7 20:14
thank you very much
siklone
发表于 2009-2-7 20:29
这个貌似不错。
动量定理
发表于 2009-2-7 20:44
just have a look......
sky-xin1985
发表于 2009-2-7 21:54
ddddddddddddddddddddddddddddddd
sky-xin1985
发表于 2009-2-7 21:55
ddddddddddddddddddddddddddddddddddd
sky-xin1985
发表于 2009-2-7 21:55
这样所要矩阵币会不会遭到封杀呀……
mathkid
发表于 2009-2-7 22:08
ddddddddddddddddddddddddddddddddddddddd