[{"title":"(2个子文件664KB)低频功率放大器Multisim仿真.zip","children":[{"title":"模电课设","children":[{"title":"功率放大电路.ms14 <span style='color:#111;'>134.90KB</span>","children":null,"spread":false},{"title":"系统电路.ms14 <span style='color:#111;'>661.06KB</span>","children":null,"spread":false}],"spread":true}],"spread":true}]