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Interpretation about the Standard Test Method of ASTM E2177 for "Measuring the Coefficient of Retro Reflected of Luminance of Pavement Marking in a Standard Condition of Wettness"
Author(s): 
Pages: 27-28
Year: Issue:  2
Journal: Communications Standardization

Abstract:  道路标线是道路的无声语言,是车辆、行人的行为规范,用于指导其行动方向.道路标线在夜晚的作用尤为明显,因为夜晚的平均事故率一般要远远高于白天,并且真正的事故高发期是下雨的夜晚,这就要求道路标线必须具备雨夜反光效果,鉴于此,相应的道路标线的雨夜测试方法也应运而生.
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