【導(dǎo)讀】電動汽車興起的背景···················································································1. 電動汽車運(yùn)行現(xiàn)狀······················································································2. 課題研究的背景,目的與意義······································································3. 國內(nèi)外的研究發(fā)展現(xiàn)狀················································································4. 2電動汽車的基本構(gòu)造與特點(diǎn)·······················································