1·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。
2·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。
3·In the process of work, the laser was reflected by the mirror at first, then turntable adjusted the reflection direction through changing the Angle of azimuth and pitching for accurately pointing.
单反射镜结构转台中，通信光先经反射镜反射，再配合方位、俯仰方向的角度调整，实现光轴的精确对准。
4·The monition equations of airfoil are written as the four dimensional first order differential equations. Taking airspeed and the linear part of pitching stiffness as the bifurcation parameters.
机翼的运动方程可以写成四维一阶常微分方程，取广义气流速度和线性俯仰刚度作为分岔参数。
5·A numerical method is given to calculate the unsteady lift, pitching moment and drag acting on an airfoil of rotors under attached-flow conditions in a compressible flow.
基于附着流状态下的旋翼非定常翼型气动模型，给出了计算该状态下的翼型非定常升力、阻力和俯仰力矩的数值计算方法。
1·At least three pitchers with the Milwaukee Brewers have made adjustments to their pitching form based on the technology's findings.
至少三名密尔瓦基酿酒人队的投手通过这一技术找出的结果调整了自己的投掷动作。
2·Pitching cake with each other at birthday party is the most common scene sweet, frolic hurt, happiness or endurance?
投掷蛋糕是生日聚会中最常见的一幕。然而，这里是甜蜜、嬉闹、伤害、幸福抑或忍耐？