本文件（技术规范）提供了有关鉴定规则的信息，以及涉及的不同规范部分之间的关系，如技术规范（TS）、材料规范（MS）和采购规范（PS）。介绍了材料鉴定和合格产品的链接。

This document (Technical Specification) gives information about qualification rules and the relation between the different specification parts involved, such as Technical Specification (TS), Material Specification (MS), and Purchasing Specification (PS). The link to material qualification and qualified products is presented.