制造更符合空气动力学的飞机，并用更有效的方式来运营飞机——例如减少空中交通控制而产生的延误，这些方法可以为这些节省做出大约三分之二的贡献。

Building more aerodynamic aircraft and operating them more efficiently (by reducing air-traffic-control delays, for instance) could produce about two-thirds of those savings.

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完全非定常气动力由格林函数方法直接计算，颤振分析结果准确。

For fully unsteady aerodynamic force is calculated with Green's Function method, the results of flutter analysis are accurate.

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针对空气动力学粒径和光学等效粒径之间存在的差异，本文提出对空气动力学粒径进行光学修正的方法。

In order to analyze the difference of optics sizing and aerodynamic sizing of aerosol particle, a method for revising the aerodynamic sizing using optics method is proposed.

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