本规程描述了自动识别D-1型组件和D-2型复合盒式磁带的条形码标签生成要求。条形码的尺寸和公差是规定的。还指定了标签信息的符号编码、数据结构和格式。最后，指定标签特征、大小、方向和位置。这种做法包括后标签和侧标签。

This practice describes the requirements for the generation of bar code labels for the automatic identification of type D-1 component and type D-2 composite cassettes. Dimensions and tolerances of the printed bar code symbols are specified. The symbol encoding, data structure, and formatting of the label information are also specified. Lastly, the label characteristics, size, orientation, and placement are specified. This practice includes both rear and side labels.