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。
A modern sports glider, with long, slender wings, is the most aerodynamically efficient aircraft, with a lift-to-drag ratio of around 50:1.
升阻比越高，飞机就能飞得更远。
And the higher the ratio, the farther the aircraft will glide.
之后，将其放入风洞以计算升阻比，有时也被称为滑翔比。
Then they popped the fish into a wind tunnel to calculate their lift-to-drag ratios, sometimes called the glide ratio.
一架轻型飞机通常拥有10：1的升阻比；而对于悬挂式滑翔机来说，这个比例大概是15：1。
A light aircraft typically has a lift-to-drag ratio of around 10:1; for a hang-glider, the ratio is about 15:1.
当风洞底部注满水，再重复实验时，飞鱼的升阻比从4.4提高为5.5。
When the experiment was repeated with a tank full of water in the bottom, the fishes’ lift-to-drag ratio rose from 4.4 to 5.5.
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。
Increasing the lift drag ratio of turbine blade is an effective way for improving turbines aerodynamic characteristics.
通过数字计算，得到飞船的最优滚转程序、升阻比、再入角和再入终端时间。
Using numerical calculation, optimal roll program, the ratio of lift and drag, reentry Angle and reentry time of spacecraft are gotten.
着重研究了改变升阻比和再入角对再入轨道的影响。
We put stress upon investigating the effect of changing lift drag ratio and reentry Angle on reentry orbit.
合适的升阻比会使飞行距离增大。
The right lift-to-drag ratio will make flight distance increased.
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。
To enhance the roughness of the blade's partial area for increasing the lift drag ratio, a new method was given in this paper.
通过优化无人机外形取得了有意义的结果，优化后升力系数增加了21%，升阻比提高了6.7%。
After aerodynamic optimization of an unmanned vehicle with the methods mentioned above, the lift coefficient has an increase of 21 % and the ratio of lift to drag has an increase of 6. 7%.
小升阻比返回舱的形状以球冠倒锥形为最优。
The spherical segment cone module of small lift to drag ratio vehicles is the optimum shape than others.
翼型抖振边界是仅次于升阻比的一项重要气动指标。
Airfoil buffeting boundary is an important aerodynamics targets which second only to the lift-drag ratio.
阻力对翼伞升阻比影响很大，前缘切口阻力是总阻力的主要来源之一，且是一种二维效应的阻力。
Drag has a great impact on the lift-drag ratio, and the leading edge cut drag, which has only a two-dimensional effect, is one of the main sources of the total drag.
翼型抖振边界是仅次于升阻比的一项重要气动指标。
Airfoil buffet boundary is an important aerodynamic parameter which is 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。
Airfoil buffet boundary is an important aerodynamic parameter which is second only to the lift-drag ratio.
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