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分析了固体火箭发动机推力线横移和偏斜的影响因素，介绍了由静态影响因素引起的偏差计算方法，得到的模拟计算结果与实测结果相近。这种计算方法将有助于改进导弹的姿态控制精度。
The influencing factors of the thrust line thrusting and deflection of solid rocket motor are analyzed. The calculation method of deviation caused by static influencing factors is introduced. The simulation results are similar to the measured ones. This method of calculation will help to improve the missile attitude control accuracy.