“ultrasonic inspection”的概念、定义、翻译、参考文献-科学参考

单词	ultrasonic inspection
释义	ultrasonic inspection Encyclopedia 工学〔火电厂检测〕释 ultrasonic inspection超声波检测把超声波探头产生的超声波传入材料内部，由一截面进入另一截面时，在截面边缘发生反射，再由换能器接收超声波，并将超声波转换成电信号来检查构件缺陷的一种方法。
随便看	electronic reconnaissance satellite electronic records Electronic Records and Electronic Archives Management electronic records/archives Electronic Records Archives Program of National Archives and Records Administration electronic records audit trail electronic records backup electronic records center electronic records classification electronic records destruction electronic records detection electronic records management electronic records management objectives electronic records management process Electronic Records Management Software Applications Design Criteria Standard electronic records management system electronic records medium management electronic records metadata electronic records metadata management electronic records retention period and disposition schedule electronic records retrieval electronic records security management electronic records storage format electronic records systematic management electronic records transfer and accession

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