量子力学与微分几何
回答: chen01 一维的结构稳定性问题:是一个一维的闭圆。定义这个闭圆每一点的切向量有两个方向,设为正向和负向。于是,一个上的向量场
由 marketreflections
于 2011-11-18 13:16:43
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy