[{"title":"( 6 个子文件 468KB ) 无损检测领域中基于COMSOL仿真的电磁超声与压电接收技术在铝板裂纹检测的应用","children":[{"title":"电磁超声","children":[{"title":"2.jpg <span style='color:#111;'> 52.16KB </span>","children":null,"spread":false},{"title":"1.jpg <span style='color:#111;'> 55.24KB </span>","children":null,"spread":false},{"title":"3.jpg <span style='color:#111;'> 103.23KB </span>","children":null,"spread":false}],"spread":true},{"title":"COMSOL电磁超声压电接收EMAT研究:在铝板中激励250kHz并检测裂纹缺陷.md <span style='color:#111;'> 2.39KB </span>","children":null,"spread":false},{"title":"压电传感器","children":[{"title":"系统【精选】行业报告 _ 2025版.txt <span style='color:#111;'> 2.66KB </span>","children":null,"spread":false}],"spread":true},{"title":"717168714105.pdf <span style='color:#111;'> 113.54KB </span>","children":null,"spread":false}],"spread":true}]