标准摘要
[中文适用范围]： ISO 12781 的这一部分仅指定完整整体特征的平面度的完整规范运算符，即类型平面的各个特征的几何特征。 [外文原描述]： ISO 12781-2:2011 specifies the complete specification operator for flatness of complete integral features only, i.e. geometrical characteristics of individual features of type plane.
英文名称Geometrical product specifications (GPS) — Flatness — Part 2: Specification operators