Since the calculation of individual income tax in enterprises is very complicated, for its accuracy and convenience, UFO statement, which leads different sources of income into statement to summarize, formulate and order the calculation of individual income tax, can be introduced.

Dynamic sub-structure method of the rotor system dynamics characteristics of gear transmission;

Active vibration control based on linear matrix inequality for rotor system under seismic excitation;

Stochastic optimal strategy in vibration control for imperfect measurement rotor system;