In this work,based on different inspection standards for the same internal defects of a certain type of axle,two different results are brought out.In order to find the fact of the defect,a common A-mode ultrasonic flaw detector are used to analyse the axle,while according to the axle manufacturer's inspection standard it is found to be qualified,but according to the axle user's standard it is unqualified.In addition,with the purpose of getting more visual identification,analysis and determination of the internal flaw,the advanced ultrasonic phased array inspection technology is performed further on the above-mentioned workpiece,which shows the advantage of the new technology in result display and determination,and the importance of the relationship between flaw direction and detection direction.

<正>资料长编是在资料基本齐全之后,对经过加工整理、鉴别核实的资料,根据编志的需要,按照志书篇目的结构层次编纂而成的资料汇集。下面笔者结合多年编写《中国铁路志·车辆篇》的写作体会,谈一谈资料长编的写作技巧与方法。