Based on a vehicle dynamics model, a 3-trailer train dynamics model is set up.
在车辆动力学模型的基础上，建立由3辆拖车组成的列车动力学模型。
The running speed of computers is a sensible problem faced in the present study of heavy train dynamics.
计算机的计算速度是当前重载列车动力学研究中面临的一个十分突出的问题。
Suggests that the train dynamics must be analysed seriously before the train is set in motion in order to ensure its safety.
文中建议，在组合列车开行之前，应当结合具体情况，进行认真的列车动力学分析，以确保组合列车的安全运行。
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。
Though China's environment education has gone through thirty years, it is quite weak. It is urgent to strengthen environment education dynamics and train talents for environment construction.
尽管我国环境教育已经过了三十年历程，但是还相当薄弱。因此，我国教育工作的紧迫任务是加大环境教育力度，培养环境建设人才。
By use of modern computational fluid dynamics method (CFD), 2-dimension air-charging characteristics model of the heavy haul train air brake pipe system is built.
应用现代计算流体动力学数值方法，首次建立了长大列车空气管系的二维充气特性模型。
The dynamics performance of short rigid subgrade between the bridge and tunnel was influenced by the train heading;
列车驶向对桥隧间刚性短路基过渡性能的动力学影响；
The computational fluid dynamics (CFD) analysis of air-flow generating duct were utilized for sampling scheme given by uniform design to collect the train dataset.
利用均匀设计安排试验方案，并通过流体动力学仿真完成训练样本采集。选定相关向量机作为优化设计的评估函数。
Established a lateral and vertical semi-active secondary suspension tilting train model with self-steering radial bogies via dynamics simulation software SIMPACK.
利用动力学软件SIMPACK建立了具有二系横向和垂向半主动悬挂自导向式摆式客车动力学模型。
The rigid shaft model and flexible shaft model of the drive train based on the spring-mass-damper system are used to analyze the dynamics of the drive train.
采用了弹簧—质量—阻尼系统结构并按照风力机运行机理，建立了风力机传动系统的刚性轴模型和柔性轴模型，并确立了相应的仿真分析方法。
The rigid shaft model and flexible shaft model of the drive train based on the spring-mass-damper system are used to analyze the dynamics of the drive train.
采用了弹簧—质量—阻尼系统结构并按照风力机运行机理，建立了风力机传动系统的刚性轴模型和柔性轴模型，并确立了相应的仿真分析方法。
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