In addition, this technology helps the maintenance and management of the system spatial database, and keeps the system space attribute data current.

另外，该技术还有利于系统空间数据库的维护和管理，保持系统空间数据的现时性。

youdao

In addition, this technology helps the maintenance and management of the system spatial database, and keeps the system space attribute data current.

另外，该技术还有利于系统空间数据库的维护和管理，保持系统空间数据的现时性。

youdao