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汉语拼音：shēng zǔ bǐ

又称举阻比”、空气动力效率”。飞机飞行中，在同一迎角的升力与阻力的比值。其值随迎角的变化而变化，此值愈大愈好，低速和亚声速飞机可达17～18，跨声速飞机可达10～12，马赫数为2的超声速飞机约为4～8。

• Thirdly, the use of three-degree-of-freedom simulation can do analysis of the ballistic of a vehicle flying with maximum lift-drag ratio.

  利用三自由度仿真对飞行器以最大升阻比飞行时的弹道进行仿真分析。

• Then they popped the fish into a wind tunnel to calculate their lift-to-drag ratios, sometimes called the glide ratio.

  之后，将其放入风洞以计算升阻比，有时也被称为滑翔比。

• Airfoil buffeting boundary is an important aerodynamics targets which second only to the lift-drag ratio.

  翼型抖振边界是仅次于升阻比的一项重要气动指标。

• Dr Robertson is working on a twin-engined electric microlight with a wingspan of 10 metres (33 feet) and a lift-to-drag ratio of 18: 1.

  Robertson博士正在致力于制造一架双发电动飞机，它有着10米（33英尺）的翼展，升阻比为18：1。

• Comparing with original UAV finally, the experimental results show that the maximum lift-drag ratio of the modified UAV increases by 20. 6%.

  风洞试验结果表明：和原型机相比，改型机的最大升阻比可提高20.

• A modern sports glider, with long, slender wings, is the most aerodynamically efficient aircraft, with a lift-to-drag ratio of around 50: 1.

  现代运动用滑翔机的机翼长而细薄，拥有最佳的空气动力学效率，其升阻比达到50：1。

• The favorable method of improving the lift-drag ratio of the figuration is brought forward.

  分析提出了进一步提高该乘波体气动布局升阻比的有效途径。

• And the higher the ratio, the farther the aircraft will glide.

  升阻比越高，飞机就能飞得更远。

• It can be recharged in around three hours from a built-in charger, has a 15-metre wingspan and a lift-to-drag ratio of around 30: 1.

  其内置电源能在3小时内充电完毕，有长达15米的翼展，升阻比达30：1。