By using GIS method, a wetlands GIS spatial database of Heilongjiang province was built based on collecting a vast amount of wetlands data.

以GIS技术为手段，在收集大量有关湿地材料的基础上，完成了黑龙江省湿地GIS空间数据库的建立。

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This prepares the database for use by a GIS and for spatial business logic implemented in SQL, including distance-based queries.

这使数据库准备好供 GIS 使用并支持 SQL 中实现的空间业务逻辑，包括基于距离的查询。

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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。

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