文档介绍：我国铁路运输普遍服务供给模式研究
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurat业自行承担普遍服务成本的话，那么，铁路运输企业的市场主体地位就难以真正形成，进而制约我国铁路运输业的持续改革进程。
一、普遍服务的特征和政策目标
（一）普遍服务的内涵
普遍服务主要包括无法通过商业化运营来补偿成本、但又出于某些宏观因素考虑而必须提供的服务。铁路运输企业承担
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measured
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measured
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measured
不同所引起的政策措施不同。
（二）普遍服务供给的政策目标
铁路运输业是对国民经济发展有重要推动作用的准公共性基础设施，因此，实现铁路普遍服务的有效供给是非常必要的。也正是由于这个原因，英、德、法等国家在进行现代管制改革的进程中，都将推动普遍服务作用一项重要的改革举措。综合