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1 前言本专题的中心议题是射线检测规范设计,主要阐述规范设计的含义、内容、设计方法以及若干具体问题。什么是规范?在对它作出确切的理解之前,先了解一下“无损检测方法”“无损检测技术”“无损检测工艺’的定义是必要的。在ISO/TC135/SC7 N35—E 无
1 Preface The central topic of this topic is the design of ray inspection norms, which mainly expounds the meaning, content, design method and some specific problems of standard design. What is the norm? Before we can make an accurate understanding of it, it is necessary to understand the definition of ”non-destructive testing method“, ”non-destructive testing technology“ and ”non-destructive testing process." In the ISO / TC135 / SC7 N35- E None