klein nishina formula

Klein s Contributions to the Foundation and Development of Object-Relation School;

克莱因与客体关系学派的创立与发展

Present Situation of the Research on Klein s Theory of Object Relations;

克莱因对象关系理论的研究现状

Reinterpretations of Klein s Idea about the Child Mental Structure;

克莱因的儿童心理结构观述评

Klein bottle,in term s of[1],is an odd bottle w hich m ay be draw ed but can not be m aked.

在文献［１］中，克莱因瓶被描绘成一种“不可能的画”，即按文［１］的意思，克莱因瓶是一种可以画出来而不能制作的怪瓶。

Only four surfaces are possible for such embedding:the sphere,the torus,the Klein bottle and the projective plane.

这样的嵌入只能在球面、环面、克莱因瓶和射影平面上实现,其五边形面的个数分别为12,0,0和6。