A coasting performance test is simulated on a chassis dynamometer, the transmission resistance, rolling resistance of wheels and their speed factors are measured.

利用底盘测功机模拟道路滑行试验，测定出汽车的传动系阻力、轮胎滚动阻力及它们的速度影响系数。

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A new rolling resistance (coefficient) test system is developed based on wheel torque sensor, which offers a new method for deeply researching the rolling resistance of the wheels on the rollers.

开发了基于车轮力传感器的底盘测功机上轮胎滚动阻力(系数)的测试系统，为深入研究轮胎在滚筒上的滚动阻力提供了新方法。

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Based on results of the model test, the influence of chine strips on resistance, rolling, pitching, heaving, loss of speed in wave and turning qualities of this form is discussed.

本文主要根据模型试验研究的结果，介绍防溅条对高速排水量艇的阻力、横摇、纵摇、升沉、失速及回转性能等方面的影响。

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