相似性、对称性及其破缺

Similarity,Symmetry and its Breaking

自然界中广泛存在各种对称性及其破缺的性质，由此出发，应用相似性是发展科学的一种重要方法．现重点讨论了现代物理中的这种性质，及基于此的一些新探索．并以此纪念４０年前对弱相互作用中宇称不守恒的预言和证实．

A character of various symmetries and their breaking exists widely in Nature. From this view,similarity is an important method in the derelopment of science. In order to commemorate the discovery of the parity nonconservation in weak interaction forty years ago,this paper discusses mainly the character of similarity in modern physics and some new researches by this method.