这就好比热力学定律，为引擎的使用打下了理论基础，但你不能从热力学定律一步跨越到发明汽车，这中间还要经历成千上万的步骤。
It's like we have laws of thermodynamics that underlie the use of engines, but you can't just go from the laws of thermodynamics to an automobile; there are a million steps along the way.
除非你在空气动力学实验室工作，否则没有人知道汽车在空气的阻力下行驶时，75英里的时速比65英里要多消耗多少能量，事实是这个差距非常大。
Unless you work in an aerodynamic lab, you don't understand how much more energy it takes to push a car through the air at 75 MPH than at 65 MPH, but it's huge.
一些汽车和卡车司机紧随大型卡车之后行驶，利用空气动力学作用减少自身的燃油消耗，但是这种做法是相当危险的。
Some car and lorry drivers try to exploit this aerodynamic effect by tailgating big trucks to reduce their own fuel consumption. But it is exceedingly dangerous.
然而，它们的用途一直被限制于一些项目，如改善汽车身体、飞机机身与羽翼的空气动力学的外形，直到最近才有了新的内容。
Until recently, however, their use has been confined to projects such as refining the aerodynamic profiles of car bodies, aircraft fuselages and wings.
照宝马的汽车架构主管汉斯·拉特·格贝尔说法，这里大多数诸如鼓捣鼓捣空气动力学或即时泵入冷冻剂这种小改动。
These are mostly "easy things" like fiddling with aerodynamics or pumping coolant "on demand", says Hans Rathgeber, BMW's head of vehicle architecture.
伯尼尔说：“它就是一个所有事物的整合——汽车学、空气动力学、发动机、电子学，所有的部分。”
Says Bernier: "It is basically the whole thing together-the car, the aerodynamics, the engine, electronics, all the components."
警犬号超音速喷气式汽车研究团队的首席工程师，马克·查普曼(Mark Chapman)说：“我们在这一年里完成了所有的空气动力学的工作，汽车才能完全稳定在马赫为1.3的速度上。
Mark Chapman, Bloodhound SSC's chief engineer, said: "From all the aerodynamic work we have done this year, the car is completely stable at mach 1.3.
汽车纵向动力学系统控制是实现汽车自动控制的重要组成部分，纵向控制即是汽车行驶方向上的速度控制。
Longitudinal dynamics system control is an important part of automated control of the vehicle. Longitudinal control is the speed control of an automobile on its running way.
论文首先研究了汽车纵向动力学系统的结构、功能及特征，分析了下层子系统和上层子系统之间的关系。
In this paper, the relationship between substrate system and superstratum system is studied based on analysis of the structure, function and characteristic of vehicle longitude dynamics system.
地面效应是汽车空气动力学研究的主要难点之一。
The ground effect is one of the main difficulties in road vehicle aerodynamics.
甚至与十年前相比，现代汽车更加轻，更加有力，更加符合空气动力学。
Compared with cars of even ten years ago, modern cars are lighter, more powerful and more aerodynamic.
通过整车试验数据与相同工况下的仿真结果对比，表明所述模型可以以很好的精度反映汽车在各种工况下的动力学性能。
Comparing the test result and simulation result and simulation result in same maneuver, it is proved that the presented model gets vehicle dynamic performance by simulation in high precision.
利用神经网络模式识别能力对输入数据处理辨别，设计合适的控制网络层对汽车纵向动力学系统实施控制；
Then, the neural networks model is applied to identify and process input data, design suitable networks layer for the vehicle longitude dynamics system control.
提出了一个利用尾气余热的吸收式汽车空调系统，通过热力学计算及结构分析指出了吸收式汽车空调系统的可行性。
A absorption automotive air conditioning system fed by waste heat of exhaust gas was raised, and the feasibility was discussed by analyzing the structure of the system and thermodynamics.
本文所建模型不仅可用于汽车纵向动力学分析，同时对采用该新型差速器越野车的设计开发有一定的指导意义。
The model built in this paper not only can be used in the analysis of vehicle longitudinal dynamics, but also is helpful to the development of this kind of new type differential.
文章根据汽车系统动力学原理，建立了汽车电动助力转向和主动悬架集成控制的动力学模型。
A model of the integrated dynamic control system of electric power steering (EPS) and active-suspension is set up according to the principle of vehicle system dynamics.
通过对驱动和反拖两种状态的力学分析，建立了汽车动力性检测模型。
Mechanical analysis has been done on driving and reverse driving states, then a vehicle dynamic testing model is developed.
描述了汽车操纵逆动力学的内涵，并给出了主要的研究方法和一些应用实例。
The connotative meaning of vehicle handling inverse dynamics was described, and the main research methods and some application examples of vehicle handling inverse dynamics were given.
探求了应用计算流体力学（CFD）研究汽车车身外部流场的可行性。
The possible benefits of the technique of computational fluid dynamics (CFD) used in car body flow-field analysis is highlighted.
在隧道环境下路面的使用性能以及路面在汽车荷载作用下的力学响应有其自身的特点。
The tunnel pavement compared with common pavements, has its characteristics on performance and its reaction to vehicle load.
作为汽车与路面的支承和传递单元，它的力学特性直接影响汽车的运动性能。
As a supporting of automobile and road surface and transmission unit, its dynamics characteristic influences the movement performance of the automobile directly.
轮胎的力学特性对汽车的运动与车轮定位参数的合理选择有重要的影响。
Tyre mechanics has important influence on motor vehicle motion and rationally selecting the parameters of wheel alignment.
针对汽车方向动力学控制存在的非线性和参数时变不确定性问题，提出了一种新的基于单神经元的汽车方向自适应pid控制算法。
In view of the nonlinearity and parameter time-varying uncertainty of vehicle dynamics, a novel algorithm, i. e. single neural adaptive PID control strategy, is propsed for vehicle direction control.
汽车风洞是进行汽车空气动力学研究的主要试验设备。
And automotive wind tunnel is a main test equipment to research automotive aerodynamics.
根据动力学原理，对汽车在弯坡路段上的运行状态及行车安全性进行了分析。
The vehicle's running state and running safety on curved section of highway are analyzed by dynamics principle.
本文提出了一种汽车动力学模型，建立了动力学方程及求解方法，编制了汽车动力学性能计算机仿真程序(ADPCSP)，并给出了应用实例。
This paper proposes an automobile dynamics model, sets up dynamics equations and solving algorithms, develops a corresponding computer simulation program (ADPCSP), and gives some practical examples.
结合作者进行的汽车造型概念设计，介绍了应用虚拟风洞进行汽车空气动力学数值模拟的研究过程。
In order to adapt to new modern car styling, the aerodynamic numerical simulations based on computational fluid dynamics (CFD) are applied to the process of car styling.
本文通过对汽车差动制动的力学特性的分析，介绍了基于差动制动的防侧翻车辆动力学控制。
In this paper, differential braking based vehicle dynamics control with rollover prevention is introduced through analyzing dynamics characteristics for vehicle differential braking.
采用三种方法对汽车动力学参数进行提取。
Adopting three methods to get the dynamics parameters of a car.
采用三种方法对汽车动力学参数进行提取。
Adopting three methods to get the dynamics parameters of a car.
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