ISO 10303-11:1994 工業(yè)自動(dòng)化系統(tǒng)和集成 產(chǎn)品數(shù)據(jù)表示和交換 第11部分:描述方法:EXPRESS語言參考手冊
Industrial automation systems and integration - Product data representation and exchange - Part 11: Description methods: The EXPRESS language reference manual