Abbreviation of PA phased array nondestructive testing technology

A new nondestructive testing technology, the principle of which is based on the extension of ultrasonic wave, can immediately generate electronic inspection drawings, which are mostly used in national key projects.

Now the National Nondestructive Testing Association has started the training examination, which is very difficult, and the passing rate is only 5% to 20%. The examination was registered in China Special Equipment Inspection Association.

The Chinese translation of astronomical terms, the translation of entries and the interpretation materials in Chinese and English published by China Astronomical Terminology Examination Committee belong to the Astronomical Terminology Committee.