数据库建立后，具有数据录入和数据查询功能，用户可以根据自己的需要存储和查询公共交通数据信息。

After the database including data input and data inquire function is established, users are able to input and inquire what they want.

youdao

数据库建立后，具有数据录入和数据查询功能，用户可以根据自己的需要存储和查询公共交通数据信息。

After the database including data input and data inquire function is established, users are able to input and inquire what they want.

youdao