BS PD ISO/TR 21477:2017旨在指导用户理解 ISO 10110-7和ISO 14997中规定和评估表面缺陷的两个系统， 特别是尺寸方法和可见性方法，并提供有关如何 使用它们。提供的表格显示了缺陷的大致等效屈服损失的规格 在这两个系统中。交叉引用:ISO 14997:2017ISO 10110-7:2017ISO 10110-1:2006ISO 3购买本文件时提供的所有现行修订版均包含在购买本文件中。

BS PD ISO/TR 21477:2017 intends to guide the user to understand the origins, meanings and differences between the two systems of specifying and evaluating surface imperfections in ISO 10110-7 and ISO 14997, specifically the dimensional method and the visibility method, and to provide information on how to use them. Tables are provided to show specifications of roughly equivalent yield loss for imperfections in the two systems.Cross References:ISO 14997:2017ISO 10110-7:2017ISO 10110-1:2006ISO 3All current amendments available at time of purchase are included with the purchase of this document.