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,讨论了机械能条件,并深入研究了规协变性要求。

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

能量具有量性和能质不性,同时遵循力学第一、力学第二。

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不发现史，并对“李杨之争”所涉及若干问题作初步分析、讨论。