讨论了系统的特点，给出了系统功能，该系统将多媒体技术和地理信息系统(GIS)技术与数据库管理技术相结合。
Characteristic and function of the system are discussed. Multimedia technique, GIS (Geography Information system) and database management technique are combined in this system.
以TM 影象为信息源，在全数字方式下运用遥感技术与地理信息系统技术结合建立了甘肃省沙地的TM图象数据库、图形数据库和属性数据库。
Using digital processing method of remote sensing and GIS, TM images in 1996 are interpreted and the database of the sandy land in Gansu province is established.
以TM 影象为信息源，在全数字方式下运用遥感技术与地理信息系统技术结合建立了甘肃省沙地的TM图象数据库、图形数据库和属性数据库。
Using digital processing method of remote sensing and GIS, TM images in 1996 are interpreted and the database of the sandy land in Gansu province is established.
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