[{"title":"( 6 个子文件 8.97MB ) 现代测试技术与系统","children":[{"title":"4.信号的调理与记录.pdf <span style='color:#111;'> 710.74KB </span>","children":null,"spread":false},{"title":"5.信号处理初步.pdf <span style='color:#111;'> 570.42KB </span>","children":null,"spread":false},{"title":"0.绪论.pdf <span style='color:#111;'> 3.24MB </span>","children":null,"spread":false},{"title":"2.测试装置的基本特性.pdf <span style='color:#111;'> 1.08MB </span>","children":null,"spread":false},{"title":"3.常用传感器与敏感元件.pdf <span style='color:#111;'> 1.07MB </span>","children":null,"spread":false},{"title":"1.信号及其描述.pdf <span style='color:#111;'> 4.05MB </span>","children":null,"spread":false}],"spread":true}]