空间存储结构的目标：方便空间选取和连接查询。 在响应一条查询时，存取方法只需要查询该空间中所有对象的一个关联子集。-Space to store the structure of the goal: to facilitate spatial selection and join queries. In response to a query, access method need only check all the objects in the space of an associat

计算空间自相关指标moran I数值和相关的统计值，可运用于空间计量经济文章-Moran I calculate the spatial autocorrelation indicators

GS+，经典的地统计软件，是进行地学空间分析的必备工具-GS+, classical geostatistical software, spatial analysis is carried out to learn the necessary tools

使用matlab进行二次开发，fdtd计算程序，计算电磁波，空间区域采用PML边界条件，模块化显示-Using MATLAB for secondary development, FDTD calculation program, the calculation of the electromagnetic wave, spatial region of the PML boundary condition, the modular display