We implement the R-tree indexing in SADBS which is a spatial analysis database system...

在所研究的空间分析数据库系统SADBS中实现了R树索引。

youdao

We implement the R-tree indexing in SADBS which is a spatial analysis database system developed by us.

在所研究的空间分析数据库系统SADBS中实现了R树索引。

youdao

Objectives To perform GIS spatial analysis on malaria transmission patterns in Jiangsu after setting up a malaria database and developing GIS model of malaria transmission in Jiangsu province.

目的建立江苏省疟疾地理信息系统(GIS)数据库和疟疾流行GIS模型，对江苏省的疟疾流行区进行空间分析。

youdao