The result shows, the Poluokenu fault is the borderline for the movement direction of fault, the characteristics of the faults are pull apart in the north part, but in south part the characteristics are convergence.

• 计算表明天山中部地区内部断裂两盘的运动方向以婆罗科努断裂为界，北部各断层表现为拉张特征，南部总体表现为聚合特征。