Several cities have installed dynamic toll systems whose charges vary according to traffic flow.
几个城市安装了动态收费系统，按交通流量收费不同。
The 3600m-long tunnel has 4 lanes. Its average daily traffic flow is expected to reach 50000 vehicles.
武汉长江隧道全长3.6公里，双线4车道，预计日通行能力为5万辆。
Over the past 50 years researchers have made little progress in developing a general theory of traffic flow.
在过去的半个世纪里，研究人员在形成车流宏观理论方面鲜有进步。
But IBM is about to deploy a system that will predict traffic flow up to an hour before it occurs, giving travelers ample time to avoid trouble.
但IBM即将推出一个新系统，可以在交通堵塞一小时前预测车辆流量，让旅行者有足够时间避免麻烦。
The second, published in a special edition of Philosophical Transactions of the Royal Society, looked at how driver behavior affects traffic flow.
第二项研究成果发表在英国皇家哲学汇刊的特别版上，着眼于司机的行为是如何影响交通流量的。
Some others advise to limit the amount of bikes and cars to decrease the traffic flow.
其他人建议限制自行车和汽车的数量以减少交通流量。
Analysis shows this model is able to predict the variation trend of short time traffic flow.
分析表明：该模型较好地预测了短时交通流的变化趋势。
This method is of great importance to realize on-line modeling and control of freeway traffic flow.
此方法对实现高速公路交通流的在线建模与控制具有重要意义。
Headway distribution and arrival distribution are two important distributions of traffic flow theory.
车头时距分布和到达分布是交通流理论中两个重要的分布。
It is very important to study the basic characteristics of traffic flow in transport planning theory.
研究交通流的本质特性是交通规划理论中基础性课题。
One of the prevalent methods in air traffic control is ground holding based on traffic flow management.
推迟飞机起飞时间，将成本较高的空中等待转化成地面等待，是进行空中交通流量管理的一个有效方法。
The precondition and key of intelligent control of urban traffic is real time and exact traffic flow prediction.
城市交通的智能控制实现的前提和关键是实时准确的交通流量预测。
Missing values in traffic flow data should be imputed because complete data are needed for space-time data mining.
交通流量的时空数据挖掘需要完整的数据，因此必须处理交通流量数据中的缺失值。
The identification of chaos in traffic flow can provide theoretical guidance for forecasting and control of real traffic flow.
对交通流进行混沌判别，可以为实际交通流的预测和控制提供理论指导。
This will immediately improve traffic flow, reduce pollution and increase the commercial returns derived from public transport;
这将迅速地改善交通流速，降低污染并增加来自公共交通的经济回报。
It can be expected that this algorithm will be of potential application in driving environment sensing and traffic flow analysis.
该光流算法在行车环境传感、交通流分析中具有潜在的应用价值。
The fluid mechanics model has special advantages in disclosing nonlinear phenomena and macroscopic characteristics of traffic flow.
流体动力学模型在揭示非线性现象和交通流宏观特性方面有着独特的优势。
Research indicated Cellular Automata modeling technology is one simple effective method to study the dynamic problem of traffic flow.
研究表明，元胞自动机建模技术是研究交通流动态问题一种简单有效的方法。
The identification of chaos in the real traffic flow can provide theoretical guidance for forecasting and control of real traffic flow.
通过对实测交通流进行混沌判别，可以为实际交通流的预测和控制提供理论指导。
But all the traffic light control systems are working in standing sequence, and are unable to make adjustment with different traffic flow.
但现有的交通信号灯控制系统都是单一的固定时序控制，不能够根据实际交通状况进行调节控制。
Effectively managed mobile, bicycle and pedestrians mixed traffic flow at signalized intersection is a key to traffic management in China.
在我国城市交通管理中，对城市信号交叉口处机动车、自行车和行人的混合交通流的有效组织是交通通畅运行的关键。
In this paper, an analytic and predicting model for urban region traffic flow status is presented by using several data mining technologies.
本文运用计算机科学领域中的数据挖掘技术，提出了一个城市区域交通流分析预测模型。
The prediction of network traffic flow is a problem of great significance in the research work of resource allocation and congestion control.
在高速网络资源分配与拥塞控制研究中，网络业务流量的预报是一个具有重要意义的课题。
This software package can calculate an optimal result of signal timings based on the input of the traffic flow and saturated flow of each road.
该软件能够根据输入的各条道路上的车流量值和相应的饱和流量值计算出优化的信号灯配时结果。
According to theoretical basis and research methods, the traffic flow models can be classified into macroscopic, meso-scopic and microscopic ones.
根据理论基础和研究方法的不同，可以将各种交通流模型分为宏观模型、中观模型和微观模型。
Looking way down the road helps you anticipate traffic flow because you can see when traffic lights are going to change and how other cars are behaving.
注意道路尽头的情况能帮助你预估交通流量，因为你可以看到交通灯何时变色以及其他车辆的情况。
The application results show that it is an efficient method for traffic flow prediction and the prediction accuracy can meet the actual requirements.
应用结果表明该方法可以有效地对交通流量进行预测，且预测精度可以满足实际交通诱导的需要。
The present thesis provides a method to predict the traffic flow in a short period by combining several prediction models and artificial intelligence.
本文提出了一种将多种预测模型与人工智能技术相结合的短时交通流智能预测方法。
Mixed traffic flow, which is the main characteristic of large cities in China, is regarded as one of the primary reasons for serious traffic congestion.
混合交通流是我国城市交通的基本特征，也是造成城市交通拥堵的主要原因之一。
Mixed traffic flow, which is the main characteristic of large cities in China, is regarded as one of the primary reasons for serious traffic congestion.
混合交通流是我国城市交通的基本特征，也是造成城市交通拥堵的主要原因之一。
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