求翻译：本文着重介绍一种适合都市人们应用的经济型纯电动汽车。在广大的消费群体中具有较为广阔的市场。首先确定纯电动汽车的动力传动系统的组成及其各主要部件参数。其中动力传动系参数的设计是本文研究的重点。首先要确定电动汽车的行驶工况，根据动力性能指标和部件自身的技术发展水平初步确定电驱动系统的部件性能要求，在工况分析的基础上，提出整车性能指标。是什么意思？

This article focuses on a suitable urban people to the application of economic pure electric vehicles. In the majority of consumer groups, has a relatively broad market. First, determine the composition of the pure electric vehicle powertrain and its major component parameters. The parameters of pow

This article focuses on a suitable for urban application of pure electric vehicles. In a wide range of consumer groups that have a broader market. First determine the pure electric vehicle powertrain of the composition and its major components. This powertrain Design parameters of this study is the

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This article focuses on an economical pure electric vehicle for urban applications. In the majority of consumers in the wider market. First of all determine the composition of pure electric vehicle powertrain parameters and its main parts. Design of Powertrain parameters of which is the focus of thi