Refinements can go on. From such premises, however, it is unlikely that anyone can ever develop a reasonably structured operating system.

细化能继续进行。然而，在这样的前提之下，开发出一个合理结构的操作系统是不可能的。

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The first log-structured file system was proposed by John Ousterhout and Fred Douglis in 1988 and subsequently implemented in the Sprite operating system in 1992.

第一个日志结构文件系统由 John Ousterhout 和 Fred Douglis 在 1988 年提出，随后由 Sprite 操作系统在 1992 年实现。

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In this paper, top-down structured systems analysis, describes a fully functional logistics management system development process, operating procedures and some of its core technology.

本文采用自顶向下的结构化的系统分析方法，阐述了一个功能全面的物流管理系统的开发过程、操作流程及其一些核心的技术。

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