现有OD矩阵反推技术大都将路段流量确定为稳定不变的，导致反推精度不高。
Link flows are usually hypothesized as constant variables in the existing OD matrix estimation technology, which yields a low accuracy.
为了找到污染物浓度和机动车数量的关系，科学家们在北京的主要路段设置了微波雷达记录每小时机动车的流量。
To study the correlation between pollutants and traffic, microwave radars have been installed at main roads in Beijing to count the vehicles on the road each hour.
运用噪声测量基本方法，测量了大连市西南路某路段交通噪声值并统计出不同类型的机动车流量数据。
By using the basic method of noise measurement, traffic noise values were measured, and different types of vehicle flow data were gained in a certain section of the Southwest Road in Dalian.
本文提出了一种新的VMT估算模型，该模型引入指数回归模型，结合采样交通流量和路段特征来估测流量和VMT。
This paper developed an alternative approach that can incorporate both traffic count and link attributes through an exponential regression model in estimating volume and VMT.
系统应用效果良好，与系统建成前相比，在综合运行效率和重点路段的交通流量上都有明显的改善。
Compared with the situation before the construction of this system, the overall operation efficiency and the traffic volume in the key roads have apparently been upgraded.
系统应用效果良好，与系统建成前相比，在综合运行效率和重点路段的交通流量上都有明显的改善。
Compared with the situation before the construction of this system, the overall operation efficiency and the traffic volume in the key roads have apparently been upgraded.
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