差量
1.Two-Epoch Series of Precession Quantities in IAU 2000 and Post IAU 2000 Precession-Nutation Models
2.Simulation of Asynchronous Machine Slip Vector Control System Based on Simulink Platform
3.Thermal stability of hybrid material was analyzed by DSC and TG.
8.Frequency Control System of Slip-frequency phasor for AC Motor Speed control

