标准体系是社会工业化发展到高级阶段的必然产物,是指导标准制修订规划、年度立项计划和标准科学管理的基本依据。世界各国日益重视标准化理论及实践工作。随着我国铁路路网规模的不断扩大和技术装备水平的不断提高,进一步完善铁路标准体系建设,已成为我国铁路建设和创新的重要着力点。1950年,我国铁路从限界、轨距、机车车辆装备等规范入手,编制形成了《铁路技术管理规程》。经过60余年不懈努力,借鉴国际标准经验,我国已形成包括铁路产 The standard system is the inevitable product of the social industrialization development to an advanced stage and is the basic basis for guiding the revision of the standard system, the annual project plan and the standard scientific management. All countries in the world place more emphasis on standardization theory and practice. With the continuous expansion of the railway network in our country and the continual improvement of the technical equipment, further improvement of the railway standardization system has become an important focus of China’s railway construction and innovation. In 1950, China’s railways started with the specification of limits, gauge, and rolling stock and equipment, and formulated the “Railway Technical Management Regulations.” After more than 60 years of unremitting efforts and drawing on the experience of international standards, our country has formed a series of projects including railway products