It used a fast-created quad-tree to execute region query, which not only improved the query efficiency, but also shortened the time of constructing a spatial index.

使用快速生成的四叉树进行区域查询，在提高查询效率的同时，有效缩短构造空间索引的时间。

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Applying the rule filtering, improved the execute efficiency of the algorithm. The experimentation results show that the algorithm is correct, efficient and have practical value.

该算法通过规则过滤处理，提高了安全策略冲突检测算法的执行效率。实验验证表明该算法正确高效，具有实用价值。

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What is new is that as manufacturing companies pursue these goals in an increasingly globalized supply chain, they need vastly improved information to design, plan, execute and measure operations across a complex and varied environment.

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