重载列车在直线、曲线和坡道上牵引、惰行和制动时的动力学性能；
The dynamic performance while heavy haul train traction and braking on straight lines, curves and ramps railway road condition;
仿真结果表明，该软件计算结果准确可信，适用于高速、重载电气化铁道牵引供电系统负荷过程仿真。
The simulation results indicate that the calculation results of this software are accurate and believable. This software could be applied to high-speed, heavy-haul electrified railway.
本文着重从轮轨粘着方面，对怎样提高重载列车牵引力问题作了综合探讨。
The problems of how to raise tractive force of heavy haul trains are comprehensively discussed, particularly from the viewpoint of wheel-rail adhesion.
应用推荐