模型车

Based on a questionnaire of drivers' psychological and behavioral reaction under emergency, this paper improved the Gipps car-following model and proposed a new emergency evacuation car-following model based on the minimum safety distance. The model contains statistical distribution of drivers' behavioral differentia and experiential estimate.

本研究通过对突发事件情况下驾驶员心理与行为特性问卷调查，得到驾驶员在非常态交通环境下的行为差异和经验判断比率分布，对Gipps跟驰模型进行了改进，提出了基于最小安全跟车间距的应急疏散车辆跟驰模型。

Based on the model of safe following distance, the recognition theory of the minatory objects is put forward and the model of potential menace is established, which afford a theoretic base in order to decrease the nuisance alarms and enhance the reliability of the system.

本文在安全跟车模型的基础上，提出了目标物有效性识别理论，并建立了潜在威胁目标的判别模型，为减少系统的虚警率、提高系统的可靠性提供了理论支持。

It turns out that the traffic characters of the improved NS model with partitive open boundary conditions are different from that of this model with fully open boundary conditions.

对于描述高速公路一维情况的典型的CA交通流模型，有Nagel和Schreckenberg提出了考虑车距分布的随机加速，随机减速的CA模型[7]。

In order to study the influences of different characteristics of assitance on vehicle steering performance,we established the EPS model based on steering-wheel angle input,and selected the assistance characteristic curve.

为了研究助力特性对汽车转向性能的影响，建立了转角输入的电动助力转向系统的动力学模型，选定了EPS的助力特性曲线；并通过仿真，验证了所建立模型的正确性；最后利用自主开发的电动助力转向控制器进行了实车试验，试验结果表明所设计控制器能很好地满足转向性能指标

The paper investigates the impact of the shape of amphibious vehicle s on viscous resistance when steering over water.

针对两栖车辆水上行驶时，车体包络线对黏性阻力的影响问题，基于RANS方程结合k-ε湍流模型，利用"刚盖"假定，不计兴波阻力及来流湍流度的影响，进行了某两栖车车体模型静水航行的数值模拟。

Carry out the analysis of the vehicle kinematics and build the kinematic model of the vehicle steering system.

在论文中采用二轮车模型进行车辆的动力学分析，建立了车辆转向动力学模型。

It also exemplified some of the applications of these usages. Based on the data of the investigation of the velocity and traffic volume of the typical roads, this paper discusses the ways and means of modeling a Travel Time Model for Road Section, which is applicable for VNS, and demarcates the model.

论文分析了路网中典型路段的路段车速与流量调查、随车调查等实测数据，讨论了建立适用于车辆导航系统的路段行程时间模型的思路和方法，并标定了路段行程时间模型。

The coal hopper wagon is taken as an investigated subject. Using the software I-DEAS finite element model is obtained from its geometrical model. In this way, the results of analysis of the static strength, stiffness and modal for the empty car and load car are obtained.

论文以新型煤炭漏斗车车体研究对象，把物理模型转化成有限元模型，使用CAE分析软件I-deas对该车体空车和重车工况分别进行了有限元静强度分析、刚度分析。

In the research, the study of car impact test and numerical simulation method are both used. Based on works that have done, an impact model containing car model, dummy and restriction system model was built. According to national regulation, different types of impacts were simulated. The fuel cell auto's impact safety was analyzed, and the injury criterion for occupant can be read out directly by simulation data. The main research content of this project is to set up the fuel cell auto's frontal impact model, side-impact model, rear-impact model and the whole frontal impact model, which contains car model, dummy, restriction system model and so on, and calculating these models.

在本课题的研究过程中，博采众长，坚持创新，在综合分析总结前人研究经验的基础上，将实车碰撞试验研究与仿真计算分析方法结合起来，统一车身耐撞性有限元计算分析与乘员在约束系统作用下的运动响应的多体动力学分析，采用整车虚拟碰撞试验法进行燃料电池轿车的碰撞安全性研究，即建立一个集车辆、人体模型及乘员约束系统三者于一体的完整的车辆模型，以国家安全法规为依据，进行各种碰撞型式的整车虚拟碰撞试验，利用仿真计算结果进行燃料电池轿车的碰撞安全性分析，直接预测乘员的伤情指标。

All models except the fleet-oriented work truck model come with a distinctive chrome hood molding.

除舰队所有模型导向的工作车模型独特铬罩成型来。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。