ISO 12780-2:2011仅规定了整体特征直线度的完整规范运算符,并仅涵盖完整的直线度轮廓,即类型线特征的几何特征。
ISO 12780-2:2011 specifies the complete specification operator for straightness of integral features only and covers complete straightness profiles only, i.e. geometrical characteristics of features of type line.