列车

Through adopting frequency-response functions and railway track irregularity PSD, methods and models are optimized. The speed of simulation is enhanced with fast Fourier transformation.

通过引入频响函数及轨道不平顺谱优化了列车荷载数值算法及计算模型，并在数值计算中采用傅里叶快速数值算法，提高列车荷载的模拟的效率和可靠性。

Fellow traveler the impact of elite business groups are: soft and trains EMU train passengers to high-end business, travel-oriented crowd, are the most valuable audience.

旅伴》影响的是精英商旅人群：列车软卧及动车组列车的乘客以高端商务、旅行人群为主，是最具价值的读者群。

Firstly numerical simulations of 2D turbulence flow over trains with wall and without wall are performed so as to investigate mesh, turbulence model, boundary conditions and relative parameters, at the same time, through the analysis characteristics of flow field and aerodynamic forces are acquired for the train under static condition.

首先进行列车有挡风墙和无挡风墙情况下的二维湍流绕流数值计算分析，研究模型网格、湍流模型、边界条件以及有关的参数设置和选取，并获得列车在二维绕流情况下静止时的流场特性与气动力。

MRF approach ; train induced wind ; cross wind ; flow field ; aerodynamic forces of train ; aerodynamic forces of bridge

多重参考系法；列车风；横向风；流场；列车气动力；桥梁气动力

The propulsion control system is one of the four subsystems of theMaglev vehicle. The propulsion control theory with field-oriented control is the key technology of the propulsion control system. In this paper,the characteristics of Maglev vehicle propulsion control system with FOC aredeeply studied and analyzed.

牵引控制系统是高速磁悬浮列车四大子系统之一，基于磁场定向控制理论的牵引力控制又是牵引控制系统的核心技术，本文深入研究和分析了在不同磁场定向控制方式下高速磁悬浮列车的牵引特性。

The data fusion method of GPS single point position matched with railway track is proposed.

在列车运行的区间段，采用基于轨道匹配技术的双车载GPS定位系统与其它传感器组合，该方法利用两套车载GPS定位单元，定位的同时实现列车运行完整性监测。

In contrast to conventional trains ,the propulsion system for the Transrapid is not mounted in the vehicle but in the guideway.

跟传统列车不同，磁浮列车的驱动系统不安装在车辆上，而是在导向轨上。

The agency closed the remaining interurban rail and streetcar lines over the course of the following five years.

最后一列红色列车和黄色列车分别於

The simple calculation model of making collision analysis between train and bus at level crossing is given.

建立了列车与汽车在道口发生相撞事故时进行碰撞分析的简化计算模型；分析求解了在碰撞过程中汽车变形的位移、速度、加速度和碰撞力；对比分析了列车在不同速度下与汽车发生碰撞后各参数的变化情况。

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。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。