[{"title":"( 4 个子文件 1.13MB ) 电介质物理基础课件/孙目珍编/华南理工大学出版/2000","children":[{"title":"第二章 电介质损耗.ppt <span style='color:#111;'> 688.50KB </span>","children":null,"spread":false},{"title":"第一章 电介质极化.ppt <span style='color:#111;'> 1.11MB </span>","children":null,"spread":false},{"title":"第四章__铁电体晶体.ppt <span style='color:#111;'> 480.50KB </span>","children":null,"spread":false},{"title":"第三章 电介质电导和击穿.ppt <span style='color:#111;'> 768.50KB </span>","children":null,"spread":false}],"spread":true}]