求翻译：本文以昆明铁路局物资系统为研究对象，对物资系统近年来的发展情况及现状进行了认真充分地调研和分析，通过数据的汇总及系统运作现状的分析指出了存在的问题是什么意思？

In this paper, Kunming Railway system for the study of materials, material systems in recent years on the development and status of a careful and fully research and analysis, through data summary and analysis of the status of operation of the system pointed out the problems

This article to Kunming railway board material system as the object of study, and the material system in recent years in the development and current status has been carefully fully research and analysis of data aggregation, through an analysis of the status and operation of the system indicated the

This article take the Kunming Railroad Bureau commodity system as the object of study, has carried on earnestly fully the investigation and study and the analysis to the commodity system recent years development situation and the present situation, has pointed out the existence question through data

To Kunming railway Bureau materials system for the study of this article, on recent developments and current status of the materials system conducted serious fully to research and analysis, data summary and analysis of the operation of the system point out that the existing problems

To Kunming railway Bureau materials system for the study of this article, on recent developments and current status of the materials system conducted serious fully to research and analysis, data summary and analysis of the operation of the system point out that the existing problems