Analyze the different reaction of different lays, and then prove the supposal of this thesis.

继而通过对相关层面的交互影响分析验证本文的理论假设。

The event study is based on the supposal that the market is effective, that is to say, the stock price reflects all the known public information.

事件研究方法是基于有效市场假设的，即股票价格反映所有已知公共信息。

In this paper, the gaseous viscosity factor is simplified and deduced on basis of supposed gas, and then some supposal is cleaned and much more strict deductions are given.

在对气体作近似假设的基础上，对气体粘滞系数进行简化推导，而后再逐步撤除一些假设，并作出了较为严格的推导。