On this basis, it raises a query optimization model for OQL by introducing some query theories of RDB into the query process of OODB, and gives its implement strategy.
在此基础上，将RDB的一些查询理论应用于OODB的查询中，提出了一种OQL的查询优化模型，并给出其实现策略。
Modern DM techniques have developed into a comprehensive integration of the theories and methods of System Modeling, Statistics Analysis, Optimization Theory, and Computer Science, etc.
现代决策技术是集成系统建模、统计分析、优化理论与计算机科学等理论和方法的一门综合性应用学科。
This paper introduced two basic graphics theories, then analysed a series of advantages of SVG, finally presented the study on optimization of communication network GUI with SVG technology.
文章介绍了两种基本的图形理论，分析了SVG的一系列特点，并研究了应用SVG优化通信网管的图形用户界面。
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