在今天的世界上，大多数人都投入其中空调器或另一种形式。
In today's world, most people have invested in one form of an air conditioner or another.
空间数据模型是关于现实世界中空间实体及其相互间联系的概念。
Spatial data model is based on the principle of spatial entities and relationship between mutual.
空间数据模型是关于现实世界中空间实体及其相互间联系的概念。
Spatial data model is based on the principle of spatial entities and relationship between mutual.
应用推荐