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

从道力试题出发,讨论了机械守恒的条件,并深入研究了守恒规律的协变要求。

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

量具有量的守恒质的不守恒,同时遵循热力定律、热力二定律。

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不守恒的发现史，并对“李杨之争”所涉及的若干问题作初步的分析、讨论。