We put stress upon investigating the effect of changing lift drag ratio and reentry Angle on reentry orbit.

着重研究了改变升阻比和再入角对再入轨道的影响。

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Increasing the lift drag ratio of turbine blade is an effective way for improving turbines aerodynamic characteristics.

提高叶轮机械叶片的升阻比，是改进叶轮机械气动性能的重要途径。

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To enhance the roughness of the blade's partial area for increasing the lift drag ratio, a new method was given in this paper.

该文给出了一种提高叶栅叶片的升阻比新措施，即采用加大叶片局部粗糙度来提高叶片的升阻比。 实验研究证实这种方法确实有效。

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It will, he claims, have a lift-to-drag ratio eight times better than a jet airliner's, with a consequent saving in energy.

ECONOMIST: Maglev trains