利用Z曲线聚类和降维特性，本文给出网格划分方法、搜索区域分解过程，提出一种高维空间范围查询算法。
Based on Z curve, the paper presents a method of grid partition, a procedure of partitioning search region, and a high-dimensional spatial range query algorithm.
对界面端区域进行了有限元网格单元划分。
The finite mesh elements near the interface edge region are carefully divided.
网格法是有向回路法的改进算法，利用了多边形的方向性和区域划分。
Grid method is an improved algorithm of the directed-loop method: it utilizes the orientation of the polygon and region partition at the same time.
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