而采用节点耦合和约束方程，则与采用梁单元铰接的计算结果基本一致。
However by applying node point coupling and restraint equations the result of calculation was basically identical with the calculation result that adopts beam unit hinge joint.
依据拖曳系统的耦合特性和约束条件，建立了拖曳飞行动力学和运动学方程，提出了一种基于仿真的拖曳系统飞行性能计算方法。
According to the coupling characteristics and constrained conditions of the towing system, the models of dynamics and kinematics of the towing system were built up.
依据拖曳系统的耦合特性和约束条件，建立了拖曳飞行动力学和运动学方程，提出了一种基于仿真的拖曳系统飞行性能计算方法。
According to the coupling characteristics and constrained conditions of the towing system, the models of dynamics and kinematics of the towing system were built up.
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