After giving a brief introduction to the development of the PSD system in urban rail transit both in China and abroad, this paper analyses the advantages of the PSD system from different respects such as safety, energy saving, downsizing staff to improve efficiency, enhancing company’s social image, etc.
介绍国内外城市轨道交通屏蔽门系统的发展概况,从安全、节能、减员增效和提升形象等方面分析屏蔽门系统的优点,并针对我国在屏蔽门应用方面经验不足的情况,对屏蔽门的安全使用提出思考和建议。
To explore statistical distribution of operational daily casualty rate,set up a model,and then provide a basis for further simulation study,empirical data have been obtained from one corps in Southwest boundary operations,the daily incidence of casualties has been computed.
为研究战役卫生减员的统计分布,建立模型,提供计算机模拟研究的基础。