Newtonlaw is the basis of classical mechanics, the study of movement speed far less than the speed of light macro object;
古典力学是以牛顿定律为基础,研究运动速度远小于光速的宏观物体的运动;
2
The trajectory equation of particles was put forward with Lagrangian approach on the basis of Newtonlaw. The mathematical model of a single particle trajectory was established.