2.1 design requirements
In order to facilitate students to access a variety of geogracal information data such as dynamic environmental data, remote sensing and telemetry data and data of geogracal cases involved in each standard course and textbook, facilitate students to carry out practical activities, and create conditions for exploratory learning and subject experimental activities; Create conditions for heuristic, inquiry-based, discussion and participatory teaching; Infiltrate the frontier of geogracal science development into the course teaching.
2.2 functional requirements
It can meet the requirements of geogra education teaching and facilitate students to be familiar with, touch and operate conventional geogracal teaching instruments and modern geograc information technology. Learn to use the globe and digital planet system to locate and obtain information about people, regions and the environment; Ability to use and build maps; Learn to select and use appropriate grac skills to present maps and evidence in diagrams; Learn how to select and use indirect evidences -- satellite remote sensing images and other data (instruments, models, specimens, etc.) for learning; Learn how to use modern geograc information technology to obtain dynamic geograc change information, master 3S technology to process, present and analyze geogracal evidence; Understand how to create virtual real 3d geospatial environment and analyze geogracal problems.