It is also is a terrific method of discreetly and directly pitching to someone powerful.
它还是一种既慎重又直接的向权重人士进行推销的绝妙方式。
This method USES digital image processing techniques to reconstruct the vector of the airplane. Then the pitching, yawing and roll angel are computed.
在终端机中利用图像处理技术重构出机身和机翼的空间向量，计算出无人机的俯仰角、偏航角和翻滚角。
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。
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