Low atmospheric pressure and temperature of surrounding air are both effected to locomotive output power at wheel rim and train resistance with diesel traction.

低气压和低气温均构成对机车轮周功率(内燃牵引时)和列车阻力的影响。

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The precondition of the acceleration testing method is the determination of the train resistance, rotary mass coefficient and train mass. The crucial test is measurement of train acceleration.

加速度测试法的先决条件是确定列车基本阻力、回转质量系数和列车质量，而其测试关键是列车加速度的测定。

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The results show that the series high temperature creep resistance die casting magnesium alloy has potential to make power-train parts with decrease of the weight greatly.

试验结果表明，所开发的抗蠕变压铸镁合金具有应用于汽车动力系统部件的制造并大幅度减轻重量的潜力。

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Train total-body 2 times per week with resistance heavy enough to make 8-12 repetitions very challenging.

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The youngest of five children, Hudy grew up helping her oldest brother train in the football off-season by hopping on his back during resistance climbs up Appalachian trails.

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