flaw echo 中文意思是什麼
flaw echo
解釋
缺陷的回波信號-
Commonly used specification for a - mode ultrasonic flaw detector using pulse echo technique
A型脈沖反射式超聲波探傷儀通用技術條件 -
Study on wavelet denoise and characteristic extraction of echo signal to flaw classification in ultrasonic testing
超聲檢測缺陷分類的降噪及特徵提取問題研究
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