[{"title":"(3个子文件529KB)优秀论文及配套源码。电压暂降是动态电能质量问题","children":[{"title":"ceshi.mdl <span style='color:#111;'>50.43KB</span>","children":null,"spread":false},{"title":"tiaoshi.m <span style='color:#111;'>3.58KB</span>","children":null,"spread":false},{"title":"基于S变换的电压暂降检测研究.doc <span style='color:#111;'>1.01MB</span>","children":null,"spread":false}],"spread":true}]