working laws的用法和样例：
例句
- In this paper, the moving laws at any point of meshing discharge are stuied about internal gears E.D.M. grinding.
从微观角度研究内齿轮电火花磨齿任意啮合放电处形成的放电通道中等粒子体的运动规律。 - Knowing the laws of documentary motion is directively significant to the filing operation in schools.
了解文件运动规律对学校档案工作具有指导意义。
