As productive databases containing important information systems rapidly grow larger and larger, automated space management becomes more and more important.
随着包含重要信息系统的生产数据库的快速增长，自动化空间管理变得越来越重要。
Chapter III is the focus of this paper, from GIS technology data management, information visualization capabilities, analysis of space transportation systems to deal with road network evaluation.
第三章是本文的重点，分别从GIS技术的数据管理、信息可视化能力、空间分析方面来处理公路网交通系统评价问题。
Common mistakes in confined space operation are summarized, and corrective actions for the mistakes are recommended according to the philosophy of HSE management systems.
总结了有限空间作业过程中常见的错误，并按照HSE管理体系的理念，针对这些错误提出了纠正措施。
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