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.
牵引力的计算是列车牵引计算的核心。
Traction force calculation is the core of the train traction calculation.
基于通用的列车运动方程，建立了牵引力测试的加速度法。
Based on the general equation of train mot ion, the acceleration testing method for tractive effort measurement is established.
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