[{"title":"( 3 个子文件 702KB ) 声音的采集与分析","children":[{"title":"声音的采集与分析","children":[{"title":"声音分析子VI.vi <span style='color:#111;'> 122.58KB </span>","children":null,"spread":false},{"title":"声音文件.wav <span style='color:#111;'> 781.30KB </span>","children":null,"spread":false},{"title":"主VI.vi <span style='color:#111;'> 68.96KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]