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

从一道力学试,讨论了机械能守恒的条件,深入研究了守恒规律的协变性要求。

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

能量具有量的守恒性和能质的不守恒性,同时遵循热力学第一定律、热力学第二定律。

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“杨之争”现之后，本文重新简要回顾宇称不守恒的现史，“杨之争”所涉及的若干问作初步的分析、讨论。