The influence of sweep angle and taper ratio on the characteristics of wingtip stalling is discussed.

讨论了后掠角和尖削比这两个机翼外形参数对翼尖失速特性的影响。

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Described in this paper are the effects of the aspect ratio, the swept-back, the taper ratio and the profile of the ship rudder on its hydrodynamic performance by a test method of orthogonality.

本文用正交试验法研究了舵展弦比、前缘后掠角、梢根比和翼剖面对舵性能的影响；

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The contact ratio of the motor shaft taper surface is one of the significant factor for improving the quality of a motor.

电机转轴锥度面表面接触率是电机的一项重要质量指标。

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