array(4) { [0]=> string(159) "基于等效燃油消耗的混合动力汽车能量管理\A novel equivalent consumption minimization strategy for hybrid electric vehicle powered by fuel cell" [1]=> string(30) "battery and supercapacitor.pdf" [2]=> string(7) "1861150" [3]=> string(20) "2018-07-29 21:36:4 " } array(4) { [0]=> string(122) "基于等效燃油消耗的混合动力汽车能量管理\im-An innovative optimal power allocation strategy for fuel cell" [1]=> string(54) "battery and supercapacitor hybrid electric vehicle.pdf" [2]=> string(6) "831209" [3]=> string(20) "2017-09-26 16:10:5 " }