车辆的

The ideal vehicle convoy is built after the uniformly distributed load is used as the equipollent load. With the maximum function of influence line area under the vehicle convoy, the probability of specific vehicle convoy passing influence line alone and the total weight distribution of specific vehicle convoy, the maximum probability distribution of traffic load effect and under return perild are obtained. Finally, this load model is applied to the example.

模型中把均布荷载作为车辆荷载的等代荷载建立了理想车队，在求出车队影响线面积最大值函数、特定车队单独通过影响线的概率和特定车队总重分布的基础上，得出了车辆荷载效应最大值概率分布和给定评估期的车辆荷载效应最大值概率分布，最后将这一荷载模型应用到实例中。

Its research attracts many authors; therefore, the vehicle type recognition problem is studied. The main researches and results can be described as follows:(1) Vehicle image pretreatment: For the particularity of the vehicle image of this paper, the image pretreatment includes grey scale and background processing.

本文正是在这一背景下，对车型识别的两种算法和识别技术进行了研究，主要的研究工作包括以下几个方面：(1)车辆图像预处理：针对本文研究的车辆图像的特点，车辆图像预处理主要包括图像灰度化和去除背景两部分。

In this model, the vehicle acceleration and deceleration rules are analyzed in detail, thus improve the model comparing with previous models which oversimplify the vehicle acceleration or deceleration process.

在车辆变速模型部分，详细的分析了车辆在运行过程中的加、减速度变化规律，弥补了以往对车辆运行过程中的加、减速度变化规律考虑不够细致的缺陷。

The use of the variance steering ratio can not only raise the steering stability under the high vehicle speed, but also reduce the uncomfortable feeling and steering burden. This is helpful for the subjective evaluation of four-wheel steering vehicle.

采用变转向比方式的四轮转向车辆，不仅能够提高车辆高速时的操纵稳定性能，还能减少驾驶员转向时的不适应和负担，改善对四轮转向车辆操纵稳定性的主观评价。

Based on the summary, this paper proposes the urban traffic information system architecture project suitable for the administerial management situation of China. The UTISAP includes a traffic information center, eight subsystems and two databases. Eight subsystems comprise traffic management, ETC, TFGS, traffic information service, GIS, EMS, CVOS and AHS. Two databases comprise the aspects of road traffic management and vehicles management. And the traffic information center is the core.

在总结了国外近年来有关交通信息系统的开发和研究成果后，结合中国在行政管理方面的实际情况，提出了城市交通信息系统的结构方案：一个核心即交通信息中心，交通管理、电子收费、交通诱导、交通信息服务、地理信息、紧急救援、营运车辆管理、车辆安全辅助驾驶八个子系统以及道路交通管理和车辆管理两个数据库，阐述了各子系统的功能。

At last, this paper discusses the designation and implementation of a GIS/GPS/GPRS vehicle supervising system. This system produces a practical measure to resolve the problems in traffic control and management, such as vehicle hijacking, vehicle safe, vehicle management discommodiously.

在对以上理论研究的基础上，针对当前交通部门普遍存在的车辆管理不方便，车辆容易被盜等实际问题，提出了一个基于GIS/GPS/GPRS的车辆监控系统的设计方案。

Then, to solve the problem of high cost and fatalness in research of IV cooperation, a new, based on car models, IV simulation platform is presented for algorithm simulation of IV cooperation and line-tracking control.

之后，针对智能车辆交互行为研究中试验成本高、危险性大的问题，设计了一套新颖的，搭建于仿真汽车模型上的智能车辆仿真平台，实现了车辆交互行为算法和寻线运动控制算法的仿真。

In addition to transforming the existing facilities as trucks and stations, large number of locomotives and trains need to be replaced. Passenger trains at a speed below 160km/h will be obsoleted gradually. More comfort able and stable trains will put into use.

铁路提速除了需要对线路、车站等基础设施进行改造，大量机车、车辆也面临着更新换代，速度低于160km/h的客车车辆将被逐步淘汰，取而代之的是稳定性和舒适性更好的高速客车车辆。

Traffic accident simulation and control technology are simulating the environment and driving process, simulating the operation situation of accident vehicle on the road, making kinematic analysis based on data such as vehicle collision, stop location and collision narks, to determine the normally running line and the speed of vehicle before the accident, presume the collision speed course reversely, use 3D graphics technology to reappearance accidents process , provide scientific theory for the analysis of the cause, make corresponding protect safety technology and strategy.

交通事故模拟与控制技术是对驾驶环境与驾驶行为进行仿真，模拟车辆在道路上发生事故的运行情况，根据车辆碰撞位置和停止位置、车身碰痕等事故现场数据进行运动学分析，确定车辆在事故前正常行驶时的速度和路线，逆向推定碰撞车速及事故过程，应用三维图形技术再现交通事故过程，为分析事故成因，提出相应的交通安全保障技术和策略奠定科学理论依据。

This paper gives a thoeretical analysis on the standard currently adopted in China for the widening of railway track gauge on curves, and points out that this atandard does not tally with the railway oparational actuality, the calculation data used are not in conformity to the present rolling stock conditions in this country and that the marginal radius and the amount prorided for the widening of curved track gauge are on the large side.

本文对我国现行曲线距轨加宽标准进行了理论分析，指出它脫离运营实际，而采用计算数据又不符合我国现有车辆情况，加宽起始半径和加宽值都偏大。提出在理论上比较切合实际的计算方法是车辆按力学自由內接条件计算；机车和少数固定轴距大的车辆，按最小运营半径条件检算，制订我国的曲线轨距加宽新标准。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。