New query language support (for XQuery), a new graphical query builder (for XQuery), and new query optimization techniques.

新查询语言支持(针对Xquery)、新图形查询构建程序(针对Xquery)和新查询优化技术。

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Some graphical fixes, a vertex cache performance improvement and a screen clear optimization.

一些图形修复，顶点缓存的性能改进和画面清晰的优化。

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Through analyzing the example, it is proved that the idea of combing network optimization with graphical problem based on spatial GIS has succeeded in distribution network planning.

通过对算例的分析，以空间GIS为平台，将网络优化问题和图形问题无缝地结合，在配电网规划工作中取得了良好的效果。

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