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road traffic     
相关语句
  道路交通
     Study on Urban Road Traffic Simulation System Based on HLA
     基于HLA的城市道路交通仿真系统研究
短句来源
     Study of Intelligent Control Strategy for Urban Road Traffic
     城市道路交通智能控制策略的研究
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     Study on the Key Technologies of Urban Road Traffic Information Extraction
     城市道路交通信息提取关键技术研究
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     A Study on Motorized Vehicle Road Traffic Crashes in Shenyang
     沈阳市机动车道路交通伤害事故研究
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     Research on Optimization of Spacing Resources of Urban Road Traffic Infrastructures
     城市道路交通设施空间资源优化研究
短句来源
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  公路交通
     Study on GIS technology in road traffic construction
     公路交通GIS技术应用研究
短句来源
     Model of Neural Network for Road Traffic Noise Prediction
     公路交通噪声预测的神经网络模型
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     Design of Universal Function Model for the Information Platform of the Road Traffic Logistics Enterprise
     公路交通物流企业信息平台的通用功能模型设计
短句来源
     Prediction model for road traffic noise
     公路交通噪声预测模型
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     On Grey Prediction Model for Road Traffic Freight Volume
     公路交通运量的灰色预测模型研究
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  路段交通
     Research on Road Traffic Conflict Technique
     路段交通冲突技术研究
短句来源
     Survey way of road traffic conflict technique
     路段交通冲突的调查技术
短句来源
     Study on Road Traffic Delay Caused by Roadside Parking
     路边停车对路段交通流的影响研究
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     Study on Road Traffic Delay Caused by Bicycle for Mixed Traffic Stream
     混合交通中非机动车对路段交通流的影响
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     To reduce the effort needed for frequent large scale OD (origin destination) surveys, the approach for estimating OD trip matrices from road traffic counts is preferred.
     由路段交通流量来估计交通出行 OD( origin-destination)矩阵 ,是一种先进的技术方法。
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  “road traffic”译为未确定词的双语例句
     Suggestion on Revise GB 14886-1994《The installation specification for road traffic signals》
     关于GB 14886-1994《道路交通信号灯安装规范》修订的建议
短句来源
     ELECTRE-Ⅱbased urban road traffic evaluation method
     基于ELECTRE-Ⅱ的城市交通道路通行评价方法
短句来源
     Study of Region Road Traffic System with GIS and SD Method
     基于GIS和SD方法区域道路运输系统的研究
短句来源
     Grey Verhulst Predictive Model of Road Traffic Accidents
     道路交通事故灰色Verhulst预测模型
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     Application of BP Neural Network Classifier for Road Traffic Sign Recognition
     应用BP神经网络分类器识别交通标志
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  road traffic
Statistical data on road traffic and the results of laboratory studies are used to construct a mathematical model of a driver-driver state monitor-automobile-traffic system.
      
Previous literature has demonstrated a link between road traffic accidents and mental illness.
      
Psychological consequences of road traffic accidents in children
      
Greater awareness of these psychological consequences of road traffic accidents is required on the part of parents and professionals.
      
Posttraumatic stress disorder following road traffic accidents
      
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How are the traffic conditions of the urban roads evaluated? In the past most people evaluate them with their own experiences as the background. But people rarely make the quantitative analysis. This paper based on the practical aspect of the significant features of the urban road traffic of Chongqing with a view of putting forward a tentative inquiry into the quantitative analysis. The author also proposes four points to be the creteria of the evaluation. Finally, the author adopts these points to evaluate...

How are the traffic conditions of the urban roads evaluated? In the past most people evaluate them with their own experiences as the background. But people rarely make the quantitative analysis. This paper based on the practical aspect of the significant features of the urban road traffic of Chongqing with a view of putting forward a tentative inquiry into the quantitative analysis. The author also proposes four points to be the creteria of the evaluation. Finally, the author adopts these points to evaluate the traffic conditions of several main roads of Chongqing.

对城市道路交通如何评价?以往多数决策者主要凭自己的经验来判断,而很少进行定量分析。本文根据重庆市城市道路交通特征调查研究的实践,提出了对城市道路交通状况进行数量化分析的初步设想,并建议以四项指标来作为道路交通状况评价标准。最后,文章还应用“标准”对重庆市几条道路的交通状况进行评价。

In this article, a simple computer simulation method for synthetically predicting the statistical noise levels from a random complex traffic stream on a multi-lane street is presented. The probability distribution function, promability density function and the expectation of successive headways of a computer model (M2 model) which can simulate the complex traffic stream with some vehicle bunches are derived in some details. The transformation formula producing the random numbers that obey this distribution is...

In this article, a simple computer simulation method for synthetically predicting the statistical noise levels from a random complex traffic stream on a multi-lane street is presented. The probability distribution function, promability density function and the expectation of successive headways of a computer model (M2 model) which can simulate the complex traffic stream with some vehicle bunches are derived in some details. The transformation formula producing the random numbers that obey this distribution is also derived. Then the simulation flow chart is given. A comparison between the simulation results based on M2 model and M1 model (exponential distribution model) is made. The simulation pragram is worked out according with the standard method of measurement of road traffic noise in China. The traffic volume, traffic component and the distances between observer and equivalent lane and each lanes are fed into the computer, then the statistical nodse levels, such as L10 and L50 Legwill be printed out. The calculation show that simulation data agree with practical data well.

本文给出一种一次性综合模拟多车道多车种随机车流噪声的计算机模拟的简化方法,详细推导了用于预报部分车辆成组行驶的随机车流噪声的数学模型(M_2模型)的车头时距分布函数、概率密度函数和平均时距表达式及相应的随机数变换式。文中还给出了计算机程序框图,并将M_2模型模拟结果与据车头时距为负指数分布的M_1模型的模拟结果作了比较。计算机程序是根据我国交通噪声测量统计方法编制的,只要在程序中输入车流量、车流成份,测点离各车道及等效车道的距离诸参量,计算机便能自动输出L_10、L_50、L_eq等声级值,预报值与实测值良好一致。

The measured results and statistical analysis of traffic noise near the road intersections with traffic control signals are presented. It was found that the traffic noise near intersections is 3-7 dB(A) higher than the noise of freely flowing road traffic in statistical noise levels L50 and L90, but no signigicant difference in L10 and equivalent continuous noise level Leq was found.

本文给出了对有交通控制信号的十字型平交路口,交通噪声(以下简称路口噪声)的测量及统计分析结果。指出用统计声级L_50和L_90来衡量时,路口噪声比所谓自由车流噪声要高出3—7dB(A);而用L_10和等效声级L_eq的衡量时,两者几乎没有区别,虽然两者给人的感觉有所不同。通过与点声源路口噪声模型的计算结果对比,得出路口噪声统计声级L_50增高是因为两条道路相交,横路上车辆的运动噪声对总噪声能量的贡献。文中还讨论了路口噪声的统计分布和瞬时噪声级与交通控制信号之间的关系等问题。

 
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