$10
The rules of constitute hierarchy for product data dictionary of general mechanical parts and components
中国标准化研究院
本标准规定了建立通用机械零部件产品数据字典层次结构的规则、分类原则和字典内容的描述方法,以及编制数据字典时需要注意的一些技术问题。本标准适用于通用机械零部件产品数据字典层次结构的建立,以及所描述对象的特性定义。
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