2023年全國碩士研究生考試考研英語一試題真題(含答案詳解+作文范文)_第1頁
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1、 畢 業(yè) 論 文題 目: 目:混和動力汽車結(jié)構(gòu)、原理及發(fā)展前景研究專 業(yè): 業(yè): 汽車檢測與維修 大學(xué)畢業(yè)論文Mixed electric vehicle structure, the principle and the development foreground researchAbstractNonce,Global energy and environment problem increasingl

2、y,Relevant data show that, At present its proven oil reserves,If according to the present mining speed,Only enough humans use 50-60 years.In recent years rising oil prices,The world into a period of high oil prices.As a

3、 nonrenewable resources with the development of the auto industry oil appears to their knees.While the traditional internal combustion engine air pollution from cars to the natural environment pollution is also increasin

4、gly beset the earth person.For this,Governments and car companies have high efficiency and energy saving for a new car research and development,This design has many schemes .For example,Hydrogen energy vehicles,Fuel cell

5、 vehicles,Solar car,Hybrid Electric Vehicle.But with the current conditions and practical and see,Have the commercialized operation conditions of the only a Hybrid Electric Vehicle(HEV).HEV are equipped with refers to tw

6、o or more power supply:battery,Fuel cells,Solar cells,Internal combustion engines generator sets.The current composite power car general is to point to internal-combustion engine car generator,Plus the battery cars.HEV t

7、o the introduction of the human life brought many benefits, not only reduce the oil consumption, the environment also can be improved.Here is the hybrid electric vehicle do some detailed analysis is introduced.Key words:

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