Distributed geographic information is analyzed and data model of geographic spatial information is proposed.

论文对分布式地理信息进行分析，提出了地理空间信息的数据模型。

youdao

Distributed geographic information is analyzed and data model of geographic spatial information is proposed.

论文对分布式地理信息进行分析，提出了地理空间信息的数据模型。

youdao