本文阐述了管网水击的概念及其产生的原因及危害。

In this paper, the concept of water hammer in heating network and its harm are expatiated.

youdao

分析了跑车事故原因及危害，探讨了预防斜井串车提升跑车事故的措施。

This paper analyzes on the reasons and harms of derailing accident, and probes into some measures for preventing the derailing accident of inclined shaft trip lifting.

youdao

第三部分介绍了客观执行不能的产生原因及危害，也系分析问题的组成部分。

The third part introduced the production reason and harm of objective incapability of procedure of execution, namely analyzing question partly.

youdao

So Socrates has become a very central symbol of political resistance and resistance to political power and of the dangers to the individual of unchecked rule.

所以，苏格拉底已,成为政治抵抗的中心标志,还有抵抗政治权力,及未受管束之规则对个人的危害。

耶鲁公开课 - 政治哲学导论课程节选