Through the requirement analysis, system design, system realization and testing etc. Work, implements a function more perfect small operation management system.
通过需求分析、系统设计、系统实现和测试等工作，实现了一个功能较为完善的小型作业管理系统。
Through the analysis of Guizhou coal resources' occurrence status, the paper points out the characteristics of the occurrence condition of Guizhou coal resources and the mining technical requirement.
通过对贵州省煤炭资源赋存状况的分析，找出煤炭资源赋存条件和开采技术条件的特殊性。
Through comparison analysis on actual operation performance of local fan for mine, and the requirement of local fan performance is identified further.
通过对矿用局扇的性能试验研究和实际运行性能对比分析，进一步明确了对局扇运行性能的要求。
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