Non destructive testing. Ultrasonic testing. Methods for specifying ultrasonic apparatus.

无损检验。超声波。超声波检验仪器的测定方法。

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En 473 Non-Destructive Testing-Qualification And Certification Of NDT Personnel-General principles.

EN 473无损测试人员认证和证书——通用标准。

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There are non-destructive testing equipment testing equipment 9, 18 physical and chemical test equipment.

检测设备有无损探伤设备9台，理化试验设备18台。

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In addition, the team is exploring other applications, most notably in the biomedical field for non-destructive testing of large aerospace composite structures.

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Yet it is Russia's self-destructive streak that has turned testing weather into a tragedy.

ECONOMIST: A potent mix of heat, haze, alcohol and corruption

Recalling an era when the word "atomic" conjured modernity and mystery, the Smithsonian-run Atomic Testing Museum remains an intriguing testament to the period when the fantastical - and destructive - power of nuclear energy was tested just outside of Las Vegas.

BBC: Vintage Las Vegas