This paper derives the motion property equation of the one-row and two-planets gears for Ravigneaux planetary transmission.

Research on motion equation and simulation of NC plane turning lathe;

Analysis on motion equations of tuned gyroscope with varying rigidity;

Discussion on the pricise solution in the motion equation of a non-demped pendulum

The two treatment methods for inflection points of restoring force models and solutions to equation of motions were included,and the accuracy,the stability and its development prospect of the method were also summarized.

The equation of motion of the rotary inverted pendulum is established based on Lagrange method.

Revewing the Principle of Least Action, the author discusses the movement of charged particles in the uniform stabilized electromagnetic field and deduces their equation of motion.

Research on movement equation of A_4V piston pump;

The defects and the limitations of the dual freedom movement equation of vehicles are analyzed; new equations in the vehicle coordinate system and earth coordinate system are deduced and their applications are discussed.

In this paper,based on the employees behavior of knowledge share,we introduced the concept of knowledge sharing structure,and established a movement equation of describing employees behavior(using) probability approach.