Lagrange—Routh动力学方程?????
好东西,先看看先
Lagrange-Routh方程???
看看~~~~~~~~~~~~
回复 william11211 的帖子
谢了~~~~~
不管怎么说,还是先收藏了
Thanks very much,we haven't considered much about the snowboarder
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谢谢分享啦~~
xie xie,,,,