pitching motion 俯仰运动 ; 纵向运动
pitching motion prediction 纵摇运动预报
motion of pitching and heaving 俯仰
heaving and pitching motion 纵摇与升沉运动
ship pitching motion prediction 纵摇运动姿态预报
ship heaving and pitching motion 船舶纵摇与升沉运动
pitching and rolling motion 升沉和横摇运动
coupled pitching and rolling motion 俯仰滚摆耦合运动
coupled-forced pitching and rolling motion 受迫俯仰滚转耦合运动
The system input in this case is turbulent air which produces random pitching motion of the vehicle.
在此情况下，系统的输入是紊流大气，它使飞行器产生随机俯仰运动。
For pure pitching motion, the results show that average drag coefficient decreases as airfoil thickness is reduced.
在低雷诺数条件下，对于纯俯仰运动，随着翼型厚度的减小，平均阻力系数也变小。
The results show that unsteady aerodynamic characteristics of a delta wing oscillating in large amplitude pitching roll motion are more complicated than in pitching motion or in roll motion.
结果表明，飞行器俯仰滚转耦合运动时的气动特性比单独俯仰和滚转时的气动特性复杂得多。
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