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

从道力学试题出发,讨论了机械能的条件,并深入研究了规的协变要求。

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

能量具有量的和能质的不,同时遵循热力学第、热力学第二。

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。