pulse-echo中文什么意思

例句与用法

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1. Element pulse - echo ultrasonic transducer . general specifications and measuring method
   单元脉冲.回波超声换能器.一般技术要求和测量方法
2. Standard practice for measuring thickness by manual ultrasonic pulse - echo contact method
   用人工超声脉冲回波接触法测量厚度的标准实施规程
3. Ultrasonics - real - time pulse - echo systems - test procedures to determine the performance specifications
   超声波学.实时脉冲回声系统.测定性能规范的试验过程
4. Standard practice for measuring the change in length of fasteners using the ultrasonic pulse - echo technique
   使用超声脉冲回波技术测量紧固件长度变化的标准操作规程
5. Ultrasonics - real - time pulse - echo systems - guide for test procedures to determine performance specifications
   超声波学.实时脉冲回波系统.测定性能规范的试验程序指南