Computer - aided system for railroad maintenance is an effective measure to increase efficiency . through studying the domestic and overseas relating system and considering the project of chengdu railway bureau , this paper discusses the method of railway maintenance management system ( rmms ) development and realize in details 运用计算机辅助决策线路维修是提高工务工作效率、科学配置资源的有效手段。本文通过研究分析国内外相关系统的开发应用情况，结合成都铁路局课题，开发了铁路工务管理系统。
In the light of the fundamental method of analysis of the theories concerning enterprise competitiveness , this essay deals with the study on the enterprise competitiveness in lanzhou railway bureau . first , it makes a holistic analysis on the competitive environment and elaborates the status quo of development ; second , it establishes the index system for the assessment of the enterprise competitiveness in lanzhou railway bureau , and makes general and comparative assessment of the enterprise competitiveness , and then a conclusion is drawn ; lastly , it presents the ways and solutions to upgrade enterprise competitiveness in lanzhou railway bureau , based on the analysis of causes for the conclusion . the method of analysis in this essay is valuable in reference for the study of other enterprises in the same industry 首先，对兰州铁路局竞争环境进行了宏观环境分析和竞争环境分析，认为在现阶段兰州铁路局拥有良好发展环境，同时也面临着替代性运输方式、潜在竞争对手和现代物流发展的强大威胁；其次，对兰州铁路局的发展现状进行了阐述，从运输生产、经营管理、市场竞争等不同角度进行了深入分析，认为现阶段兰州铁路局在西北运输市场仍然占有一定优势；第三，运用企业竞争力评价理论建立了兰州铁路局竞争力评价的指标体系，并采用模糊数学和dea评价方法对兰州铁路局竞争力进行了总体评价和比较评价，得出了兰州铁路局竞争力不强的结论，并针对评价结果进行了原因分析；最后，提出了兰州铁路局竞争力提升的思路和对策。
In this thesis , according to rules of intensity design for standard gauge freight wagons , the major difference between the standard gauge and the meter - gauge was analyzed . especially , the longitudinal load is researched , and simulation programs are designed , the maximal longitudinal force between couplers is calculated in the situations of traction and brake . and based on the application situations of kunming railway bureau , the specification for the intensity design and accreditation test about the meter - gauge freight car is established 本论文根据准轨货车强度设计标准，对准轨、米轨差异较大部分，特别针对其纵向载荷进行了研究计算，编制了计算机仿真程序，求解了米轨货物列车在牵引、制动等工况下车钩间的最大纵向作用力，并结合昆明铁路局米轨线路的实际运用情况，制定出了米轨货车强度设计与试验鉴定准则。
Shanghai railway bureau has gained rich experiences in shanghai umt pearl line , including how to renew railway management conception , how to break the boundaries between different business circles , how to display the professional preponderance , how to vitalize inventory assets and practise assets management 摘要上海铁路局参与上海市轨道交通明珠线开发建设的实践，为铁路企业更新观念、突破行业界线，发挥自身专业技术优势、盘活资产存量、实施资产经营等积累了经验。
