守恒

Some mistaken viewpoints were clarified, and requirements on covariability of conservation law were studied deeply.

从一道力学试题出发,讨论了机械能恒条件,并深入研究了恒规律协变性要求。

Energy has amphimorphic porperties:conservative property of quantity and no conservative property of quality.

能量具有量恒性和能质恒性,同时力学第一定律、力学第二定律。

This paper retrospects briefly the history of the discovery of Parity Nonconservation, analyses some questions on the Lee-Yang's Argument, and also makes comments on it.

在“李杨之争”出现之后，本文重新简要回顾宇称恒发现史，并对“李杨之争”所涉及若干问题作初步分析、讨论。