空间数据库主要包括数字高程图、土地利用图与土壤类型图。

Using the technique of GIS, the paper analyses the climate, hydrology, soil and land uses in the study area.

youdao

空间数据库主要包括数字高程图、土地利用图与土壤类型图。

Using the technique of GIS, the paper analyses the climate, hydrology, soil and land uses in the study area.

youdao