Road roughness is an important index in pavement performance evaluation, and it relates to three factors such as pavement, cars and persons, especially human body comfort.
平整度在路面使用性能评价中占有重要地位，它涉及到路面、车辆和人体三方面因素，特别是人体舒适性是其中重要的环节。
The road roughness is one of the key indexes for the evaluation of highway pavement performance.
路面平整度是评价公路路面使用性能的主要指标之一。
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