本文件定义了Petri网的丰富、扩展和结构机制，适用于ISO/IEC 15909-1中提出的定义。本文件有助于定义新类型的Petri网及其互操作性，同时与ISO/IEC 15909-1中定义的Petri网保持兼容。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document defines enrichments, extensions and structuring mechanisms of Petri nets, applied on the definitions proposed in ISO/IEC 15909-1. This document facilitates the definitions of new kinds of Petri nets and their interoperability, while remaining compatible with those defined in ISO/IEC 15909-1.All current amendments available at time of purchase are included with the purchase of this document.