求翻译：整个论文分成五个大的部分。第一章介绍本文研究的目的、意义及研究方法;第二章分析了国内外杂志社发行渠道目前的状况，主要分析发展中出现的各种问题;第三、四章则是分析我国基层医药杂志社发行渠道管理现状和影响中国基层医药杂志社发行渠道管理的因素。第五章是对中国基层医药杂志社发行渠道管理和改进对策做出了一些较为系统的总结，其中有些提法和观点具有自己的独特之处。是什么意思？

The papers are divided into five major sections. Chapter I describes the purpose of this study, the significance and research method; chapter II analysed the magazine release channel present situation at home and abroad, we focused on the various issues that arise in the development; the third terms is to analyze the present situation of grass-roots medical magazine distribution channel management in our country and the factors influencing China grass-roots medical magazine distribution channel management. The fifth chapter is on grassroots medicine magazine distribution channel management and countermeasures of China made a summary of some of the more system, some of which reference and perspective has its own uniqueness.