Through the research and analysis of data in the database, unified modeling language (UML) is used to analyze and design the digital river information management system.
对数据库中的数据研究和分析，利用统一建模语言(uml)分析和设计数字河道信息管理系统。
The application of GIS in control and decision-making system of Weihe River water pollution was introduced with structural system analysis.
以结构化系统分析为主要技术路线，介绍了GIS在渭河流域水污染控制决策系统中的应用。
This thesis arises from shortage of rural labors in Pearl River delta and reveals that shortage of rural labors in essence is a phenomenon of system which is peculiar to China by theoretical analysis.
本文以珠三角“民工荒”现象为切入点，从理论上分析“民工荒”现象，揭示“民工荒”现象是我国的一个制度现象。
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