The correlations between road performance and the fractal dimension of aggregate volume of AC-16 are obtained from road tests.
通过大量路用性能试验，得到AC - 16密级配沥青混合料集料的体积分形维数与路用性能指标之间的相关变化规律。
HierPrefixCube retains advantages on computation and organization of PrefixCube, and it can directly support aggregate queries on levels of the dimension...
它不仅保留了前缀立方在计算和组织结构上的优点，又能直接和充分支持维层次级的聚集查询。
This paper analyzes the spatial range aggregate queries, and presents the two-stage materialized method. It processes efficiently range aggregate queries on spatial and non-spatial dimension.
本文对空间区域聚集查询进行了深入的研究，提出了两级物化的方法，该方法能有效地在空间维和非空间维上进行区域聚集查询。
This paper analyzes the spatial range aggregate queries, and presents the two-stage materialized method. It processes efficiently range aggregate queries on spatial and non-spatial dimension.
本文对空间区域聚集查询进行了深入的研究，提出了两级物化的方法，该方法能有效地在空间维和非空间维上进行区域聚集查询。
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