The performance of train longitudinal dynamics has important effect on quality and safety of train running.
列车纵向动力学性能是影响列车运行质量和运行安全的重要因素。
But the longitudinal dynamics behavior of wheelset is often neglected while carrying out railway vehicle dynamics analysis.
但是机车车辆动力学研究中，对轮对的纵向动力学特点的研究往往被忽略。
Based on the analysis of the system of vehicle longitudinal dynamics control, the longitude control of track homing for the platoon of the two vehicles is discussed.
在对汽车纵向动力学控制系统分析的基础上，探讨基于两车的纵向自动跟踪的控制问题。
Longitudinal dynamics system control is an important part of automated control of the vehicle. Longitudinal control is the speed control of an automobile on its running way.
汽车纵向动力学系统控制是实现汽车自动控制的重要组成部分，纵向控制即是汽车行驶方向上的速度控制。
The model built in this paper not only can be used in the analysis of vehicle longitudinal dynamics, but also is helpful to the development of this kind of new type differential.
本文所建模型不仅可用于汽车纵向动力学分析，同时对采用该新型差速器越野车的设计开发有一定的指导意义。
The longitudinal impulse of passenger trains is researched with the braking dynamics theory.
应用制动动力学理论对旅客列车的纵向冲动作用进行研究。
To supply hydrodynamic parameters for ship launching, computational fluid dynamics(CFD) method was used to analyze the process of longitudinal gravity launching for ship from a slipway.
为给船体下水提供水动力参数，采用计算流体动力学（CFD）方法对船体从船台上纵向重力式下水过程进行动力学分析。
The dynamic model of a 2b0 locomotive for export is built with software SIMPACK to analyze the influence of longitudinal position of the locating node for tumbler axle-box on locomotive dynamics.
利用SIMPACK建立某出口2b0机车动力学模型，分析了转臂轴箱定位节点的纵向位置对机车动力学性能的影响。
A longitudinal and lateral decoupled dynamics model was presented based on the dynamics analysis, as the longitudinal velocity, lateral velocity and yaw rate as the states.
在车辆动力学分析的基础上，建立了以纵向速度、横向速度、横摆角速度为状态变量的车辆纵横向耦合的动力学模型。
Methods Cohort study was carried out among the prevalence and water contact of residents, and longitudinal study was undertaken for prevalence of water buffaloes and snails dynamics.
方法居民病情和疫水接触史进行队列研究，家畜病情和螺情进行纵向调查。
Methods Cohort study was carried out among the prevalence and water contact of residents, and longitudinal study was undertaken for prevalence of water buffaloes and snails dynamics.
方法居民病情和疫水接触史进行队列研究，家畜病情和螺情进行纵向调查。
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