阻力

The principle of tire rolling resistant force and resistant force coefficient which are tested in the dual rolling drums, the makeup of tire rolling resistant force test system and the development of test system software are introduced.

介绍了在双滚筒上测试轮胎滚动阻力和阻力系数的原理、轮胎滚动阻力测试系统的构成及测试系统软件的开发。

The cost of screen drag is appreciable in almost all installations.

阻尼网的阻力损耗在几乎所有的装置中都是很大的.

The viscous drags is equal to the resultant force.

粘阻力等于合力.

The abaxial stomatal resistance was smaller than the adaxial.

叶片正面的气孔阻力小于叶片反面对应部位的气孔阻力.

Curve and path resistance are great, linear resistance is little, declivous path still has quicken force.

曲线及上坡道阻力大, 直线阻力小, 下坡道还有加速力.

Cut resistance 、 push Resistance 、 friction resistance 、 gear lever into the resistance and Cantilever force are analyzed by rigorous mathematical reasoning computation.

通过严密的数学推理计算，详细地分析了抓斗的切入阻力、推压阻力、摩擦阻力、齿杆插入阻力以及悬臂的受力。

An aircraft has to overcome the resistance of the air.

飞机须克服空气的阻力.

Air resistance is an important part of composing the high-speed train resistance. The analysis on glutinosity hydrodynamics indicated that the boundary layer, especially lower parts, of velocity distributing field is determinant of air resistance.

空气阻力是高速列车阻力的主要组成部分，粘性流体力学的分析表明空气阻力的决定因素是速度分布场中的边界层部分，特别是低层部分。

Smoother vehicles may have drag coefficients of the order of 0.55.

光滑飞行器的阻力系数可能为0.55量级.

All these above offer a reference for the parameter selection. Firstly, the resistance analysis of lengthy heavy freight car which contains the basic resistance and the odditional resistance is given in the light of many coherent data domestic and abroad.

首先在参考大量国内外相关资料数据的基础上，进行了牵引超长货车车列运行的阻力分析，包括基本阻力和附加阻力分析。

Such observation have deterred most prudent investigators from attempting direct contact-angle measurements.

这个研究成果对企图采用直接测量方法测量接触角的研究人员,带来很大阻力.

Expand shoes until light drag is experienceThen back off adjuster screw only enough to eliminate drag.

涨开蹄片,直到感受一点点阻力.往回拧调整螺丝,使其刚好能抵消阻力.

We do not bother about air resistance because it is far smaller than water resistance.

我们不必为空气的阻力多伤脑筋;因为与空气阻力相比水阻力要小得多.

The basket and pan types cause an increased resistance to flow.

吊篮和平盘式取样器加大了对水流的阻力.

The paper also explores the impact of track bed resistance, fastening resistance, filler resistance, and spacing between master block and slave block of the limit device on track stress and track deformation.

探讨道床阻力、扣件阻力、间隔铁阻力以及限位器子母块间隙对钢轨受力与变形的影响。

There exists a maximum drag-coefficient in the drag curves corresponding to a critical Froude number.

与深度的关系是在跃层以上阻力系数最大,在跃层中心阻力系数最小,下层中随着深度的增大而减小.内波频率对阻力系数影响不大,但存在某一共振频率使得阻力系数增大.

At present, the usual design method of pipe conveyor is the same as that of traditional trough belt conveyor in many ways. The different aspect is that the value of running resistance coefficient is larger than that of traditional belt conveyor.

目前，圆管带式输送机各种阻力的计算采用与通用带式输送机的设计计算相同的方法，不同的是主要阻力计算中的运行阻力系数的数值大于通用带式输送机的系数。

For the membrane the resistance caused of membrane structure itself account for 57.9%, adsorption resistance played a minor role, accounting for 26.8%. After backflush, pure water flux of modified PES membrane can be restored to 154.9%.

膜阻力主要集中在膜本身阻力，最高可达57.9%，吸附阻力起了次要的作用，占总阻力的26.8%。经清洗后膜的纯水通量可以恢复到154.9%。

The aircraft is streamlined to cut down wind resistance.

飞机设计成流线型以减小风的阻力.

There are two kinds of drags, parasite drag and induced drag.

阻力有两种:寄生阻力和诱导阻力.

The air resistance makes influence on the flight of an aeroplane.

空气阻力影响飞机飞行.

We can know that CFD method is rather accurate under model test Reynolds number, and the resistance of wave-making is also predicted well, but the calculation of viscous resistance is a little shortage.

可以得到，CFD计算在模型试验雷诺数下摩擦阻力是比较精确的，兴波阻力也可以得到较好的预报，但是在粘压阻力计算中还存在不足之处。

The drag of those extra air molecules brought the satellite crashing to Earth.

额外的空气分子阻力使得卫星坠毁到了地球上。

The air resistance of damper of 1-dimension trajectory correcting fuses ( 1-D TCF) is measured under pill angle of attack and low wind speed.

一维弹道修正引信阻力器空气阻力的简捷测量，是在弹丸零攻角、低风速下测量空气阻力的试验方法。

The resistance of the nonwoven to tensile rupture is the sum of two resistances in parallel.

非纺织物对拉伸断裂的阻力是两个并联阻力之和.

The design of the bicycle has managed to reduce the effects of wind resistance and drag.

这种自行车的设计成功地减少了风的阻力和摩擦力。

Eventually, after much dogged fighting, our troops bore down all resistance.

最后, 我部队经过激烈的战斗克服了一切的阻力.

We came up against a great deal of resistance in dealing with the case.

办这个案子的过程中，我们遇到了很多阻力。

He suggested that the varieties tested had different diffusive resistance to CO 2.

他提出,供试验用的品种对二氧化碳有不同的扩散阻力.

They would rather take the line of least resistance than become involved in arguments.

他们倾向采用阻力最小的方案，不愿卷入纷争。