查询词典 traffic accident

Establish " traffic serves at the society, science and technology serves at traffic " science and technology develops a concept, specific science and technology develops a stress, dominant of government of; of strategy of executive classification research and development and market are advanced develop simultaneously, platform of science and technology of have the aid of, the conformity that realizes resource of of all kinds scientific research and optimize configuration; to protect intellectual property, quicken achievement of science and technology to change, ensure highway canalage traffic spans newly finally the implementation of type development target.

树立"交通服务于社会，科技服务于交通"的科技发展理念，明确科技发展重点，实施分类研发战略；政府主导和市场推进并举，借助科技平台，实现各类科研资源的整合和优化配置；保护知识产权，加速科技成果转化，最终确保公路水路交通新的跨越式发展目标的实现。

Under the circumstances, this dissertation chooses the key problem in urban traffic signal control-signal timing parameters and optimization methods as its research target. This dissertation is consisted of introduction, run characteristic analyze of mixed traffic flow, collection of database, canalization design, design of signal phase, optimization methods of signal timing parameters of mixed traffic, and conclusion and expectation.

在这种背景下，本论文选择城市交通控制系统的核心问题——信号配时参数及其优化方法作为主要研究内容，包括绪论、混合交通流运行特性分析、数据采集与分析、渠化设计及信号相位设计、混合交通流信号配时优化方法研究和全文总结与展望六部分内容。

Along with the wide application of the Urban Traffic Control system, traffic control center can collect a mass of traffic flow data.

随着城市各种交通控制系统的广泛应用，交通控制中心能够采集大量的交通流数据。

In this paper,link transmission modelwas applied to simulate traffic flow under various traffic demands,by which we can investigate the influence of the length of channelization area on the performance of traffic flow.

引入路段传输模型用于模拟不同的交通需求条件下道路渠化区的长度对交通流的影响。

On the explication of the city, this article casts a systematic research on the history of the urban development, and discusses the interactive relationship between the city and the urban traffic, and concludes the laws of traffic development and the different characteristics of the urban traffic in its different stages.

在解读城市的基础上，系统地研究了世界城市发展历史，探讨了城市与城市交通发展的互动关系以及城市交通的发展规律，总结了不同城市发展时期城市交通的不同发展特点。

So it is the base of this article to research the traffic signal control for the commix traffic, combined with practical reality. Urban artery usually bears the main traffic load.

城市干道通常承担着城市的主要交通流量，解决好城市干道的协调控制问题，能大大缓解交通拥挤压力。

The traffic sensor data screening of intelligent transportation system was discussed and the data flow exchange between data screening unit and other system of Traffic Information Center was described. The content and general procedure of data screening were introduced. The checking condition of data reasonableness and consistency in different traffic conditions were analysized.

对ITS中交通传感器数据的筛选问题进行了探讨，描述了数据筛选单元与其它系统间数据流的交换情况，介绍了数据筛选的内容和一般过程，并详细分析了不同交通条件下，不同交通传感器数据的合理性检验和一致性检验条件。

In allusion to the problem how to determine the optimal number and locations of traffic counting points in estimating OD matrix by road flows, the improved location rules for traffic counting points are proposed according to the concept of maximum possible relative error: path covering rule and minimal traffic counting point rule.

针对OD反推中路段检测点设置问题，结合最大可能相对误差概念，提出了改进的路段检测点设置原则：路径覆盖原则和最少检测点原则。

Further more the traffic flow theory is applied to analysis traffic congestion occurred in the link in front of crossway so that the refined model could reveal real action of traffic flow more than the former.

本文研究了在道路使用者个人时间价值的大小已知或不能准确得知两种情况下，如何以道路路段上交通量的变化为参照，以服务水平为依据，确定普遍可接受的收费费率的方法。

Here the deriver' self-equilibrium velocity denotes the deriver' desired equilibrium velocity accompanying that the traffic flow is in the equilibrium state. Consequently the adaptive flux model like Navier-stokes traffic equation is derived from the extended Paveri-Fontana equation. Characteristics and the linear stability are analyzed. Numerical solution of the macroscopic traffic equations verifies rationality of our model.

把适应性公式和约化Paveri-Fontana等式结合得到扩展的Paveri-Fontana方程，通过使用Chapman – Enskog方法导出类Naveri-Stokes 方程的适应性交通流模型；通过线性稳定性分析，得到了适应性交通流模型的稳定条件；通过对算例的数值分析与其它连续性模型和交通实测数据的对比，验证了我们模型的合理性。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。