The generalized cost was defined as the linear weighted sum of travel time, traffic congestion degree, and section reliability.
将广义成本定义为行驶时间、道路拥挤度、路段可靠性三者的线性加权和。
Thereby, the weighted service evaluation model in the segment level is established using the time as the weight, based on the service level at the stop and the service level in the section.
继而，选取时间变量作为权重，建立基于站点服务水平和路段服务水平的公交线路区段服务水平加权评价模型。
It is also discovered that the axial velocity distribution and velocity-weighted average swirl Angle at the outlet section of axial-flow pump vary with the changing of wall roughness.
研究还发现，水泵出口断面轴向流速分布均匀度和速度加权平均偏流角也随壁面粗糙度改变而改变。
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