标准摘要
[中文适用范围]： ISO 12781 的这一部分仅定义了与单个完整整体特征的平坦度相关的术语和概念。 [外文原描述]： ISO 12781-1:2011 defines the terms and concepts related to flatness of individual complete integral features only.
英文名称Geometrical product specifications (GPS) — Flatness — Part 1: Vocabulary and parameters of flatness