投资者阶层越来越善于获取生产性收益、减慢工人工资增长速度，从而提高收入了收入不平度程度。
An investor class may become better at capturing the returns to production, slowing wage growth and raising inequality.
为提高越野汽车的平顺性，研究了典型越野路面不平度与车轮跳离路面量间的关系。
In order to improve the ride comfort of off-road vehicles, the relation between the quarry terrain unevenness and the wheel jumping estimation were researched.
汽车的主要激励来自路面，对路面不平度的模拟和分析，是进行汽车行驶平顺性分析的基础。
The random road is the leading excitation origin for vehicle and the simulation and analyses on rough road is the basis for the analyses on vehicle ride comfort.
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