isometric相关论文
In this paper, some problems for isometric approximation are discussed.It is shown that an almost isometry from the unit......
目的:通过建立膝关节三维模型研究前交叉韧带单束重建术的内口位置.方法:采用磁共振扫描建立10个正常志愿者的膝关节分别在0°、30......
This paper discusses submanifolds of product Ri emannian manifold,and prves that an invariant submanifold of product Rie......
