It also builts new process information model based on XML, and refines theprocess information express language--Process Markup Language (PML).
It also builts new process information model based on XML, and refines theprocess information express language--Process Markup Language (PML).
进而建立了基于XML的新型工艺信息模型，定义了工艺信息描述语言——工艺标记语言(Process Markup Language,PML)。