The database system has been established for the scientific research, urban management and public service.

本项目建立了为科研、城市管理和公众服务的数据资源体系。

youdao

The database system has been established for the scientific research, urban management and public service.

本项目建立了为科研、城市管理和公众服务的数据资源体系。

youdao