An efficient lifting line method has been developed for computing the performance of propeller.

本文提供了一种能有效计算螺旋桨性能的方法。

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In this paper, a method based on quasi-steady lifting line theory for the prediction of performance characteristics of a propeller working in a non-uniform wake field is presented.

本文应用准定常升力线理论预报船用螺旋桨的性能，建立了适合中型计算机的程序。

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In Chapter 3, based upon the blade second-order lifting-line model and rotor free-wake model, an analytical method is developed for predicting the rotor wake structure and BVI airload.

基于桨叶二阶升力线理论和旋翼自由尾迹模型，本文在第三章建立了一个适合于直升机旋翼尾迹结构及桨-涡干扰气动特性分析的方法和模型。

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He is a bit of a Carl Hayman type, a good scrummager with a big work-rate, and good lifting ability at the line-out.

BBC: Zinzan Brooke column

In fact, according to studies undertaken by the World Bank, economic growth, far from widening inequality, has reduced the gap between rich and poor within and between provinces, as well as lifting millions above the poverty line.

ECONOMIST: Indonesia feels more unequal than it is

But it can also be as major as buying new lifting equipment or rebuilding an entire assembly line.

CNN: OSHA pushing for new regulations aimed at preventing repetitive motion injuries