The lift-drag ratio of a typical bat's wing is about 6.8, comparable to that of a pigeon.
电梯拖动的比例，一个典型的蝙蝠的翅膀是约6.8相比，这一个鸽。
It may obtain a special experiment aerofoil lift-drag force characteristic with this test.
通过本实验，可以测得某一特定实验机翼的升力特性和阻力特性。
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。
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。
Then kinematics and dynamics of lift-drag-type vertical axis wind turbine of living leaves is analyzed and mathematical model is established.
然后对升阻型垂直轴活叶风力机进行运动学分析和动力学分析，建立了数学模型。
This paper gives the affects of airfoil tailing edge added different dimension and different shape plates on lift-drag and pitching-moment performance of airfoil.
给出了在翼型后缘加不同尺寸和形状的平板对翼型升阻特性和力矩特性的影响。
The design process of the test-bed of the low speed airfoil lift-drag force characteristic was introduced, and the experimental results of the airfoil were analyzed.
文章详细阐述了低速翼型升阻特性实验台的设计过程，分析了自制翼型的风洞实验结果。
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.
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。
The lifting-body shape of the wing-body combination has become the main design direction of the hypersonic vehicle due to its internal loading and lift-drag characteristics.
翼身组合的升力体外形由于兼顾内部装填以及升阻特性成为了目前高速飞行器主要的设计方向。
The sack is too heavy to lift—you'll have to drag it.
这麻袋太重了，提不起来。你得拖着走。
The aerofoil of a wing creates more lift than drag, but exactly how much depends on its design and the speed of the air passing over it.
飞机上的机翼制造升力超过阻力，但具体取决于机翼的设计和当时经过的空气流动速率。
But it was a birdlike tail that really amped up the aerodynamics, dampening the drag from the body and wings, as well as boosting the lift that lags under vehicle weight and cargo load.
的确鸟儿尾巴一样的飞机尾部改善了空气动力学性能，缓解了机体和机翼的阻力，同时还大大的增加了向上的力，缓释了由于飞机本身和货物重量而产生的向下的力。
In aerodynamic terms, lift is a function of weight, thrust and drag (air resistance).
在空气动力学上，升力是重量，推力和阻力(空气阻力)的相关的函数。
At altitude, the air pressure is lower, and so are aerodynamic effects such as drag and lift, ultimately causing balls to travel faster and straighter than they would at lower altitude.
由于地处高海拔地区，气压较低，因而作用在球上的阻力及升力所产生的空气动力效应也会发生相应反应，最终导致球在空中飞行速度比在低海拔地区快，飞行的路线也更直。
Drag is the force of air resistance pushing against a ball's motion and slowing it down, while lift is a force causing a ball to swerve off a straight path.
拉力是一种物体在空气中所受到的阻力，它能产生与球运行方向相反的作用力，减缓球的运行速度，而升力则是一种能使物体偏离直线运行轨迹的力。
The modern airplane design works well, but from a fuel efficiency standpoint, could planes be designed more aerodynamically — to lower drag and increase lift?
现代的飞机设计做得很好，但立足于燃料效率来看，飞机是否能设计得更符合空气动力学——降低阻力还是增加动力？
When the shape of a wing creates more lift from the air passing around it than it does drag (air resistance), an aircraft will fly.
当鱼鳍的形状通过流动的空气产生比其(空气)阻力更多的升力时，飞行物便能飞翔。
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。
This adds to the lift and allows for longer, skinnier wings and a smaller tail, reducing drag.
这将增加飞机的升力，并且因此能够允许更长、更薄的机翼，以及更小的尾翼，从而还可以减小阻力。
The forces on a spinning ball that is flying through the air are generally divided into two types: a lift force and a drag force.
空气中运行的旋转球的受力通常分为两种：升力和阻力。
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。
The design is intended to provide more lift with less drag compared with the cylindrical fuselage of a traditional aircraft, reducing fuel consumption while cruising.
设计是为了提供更多的电梯较少阻力相比圆柱形机身传统的飞机，降低燃料消耗，而游弋。
A light aircraft typically has a lift-to-drag ratio of around 10:1; for a hang-glider, the ratio is about 15:1.
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。
Female fat tends to be disproportionately distributed in the lower half of the body, giving a bit more lift to the legs which in turn reduces body drag.
女性的脂肪在身体的分别并不平均，在身体的下半部分更多一些，这使得她们的腿浮得更高，减少了身体的拖动。
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.
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。
The control effect of electromagnetic force on cylinder wake, lift force and drag force , which was caused by alternating current, is related to its frequency.
而交流电所产生的电磁力对于绕流涡街、升力、阻力的控制作用，则与所使用的频率有关。
When both are raised, overall lift fall and drag increases, so the aircraft descends.
当两边的扰流片都扬起时，升力就会下降，阻力增加，飞机下降。
Design elements include the drag and lift control technology, Huoti control system software and hardware design, communications systems, Huoti monitoring components.
设计内容包括电梯的拖动和控制技术，货梯控制系统的软硬件设计，系统通讯，货梯的监控等组成部分。
Design elements include the drag and lift control technology, Huoti control system software and hardware design, communications systems, Huoti monitoring components.
设计内容包括电梯的拖动和控制技术，货梯控制系统的软硬件设计，系统通讯，货梯的监控等组成部分。
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