The spatial information database of land reclamation is a temporal database due to the change of land resource with the coal mining.
沉陷地土地资源信息随着煤炭的开采而不断变化，所以，矿区土地复垦空间数据库是一个时态数据库。
By using 1986 and 2000 remote sensing data as basic information resource and with support of GIS, the spatial information database of western Songnen plain wetland is established in this paper.
以1986年和2000年遥感影像作为信息源，在GIS技术的支持下建立了松嫩平原西部湿地空间信息数据库。
Based on remote sensing data from 1986 to 2000 as basic information resource and with the support of RS and GIS technologies, a wetland spatial information database was built up.
利用1986年和2000年遥感影像作为基本信息源，在RS和G IS技术的支持下，建立湿地空间数据库。
The database of land use can provided more accurate and more scientific decisive information for the optimal management model of land resource if only spatial data origins are renovated periodically.
要使土地利用数据库的成果在土地资源管理的模式优化方面取得显著成就，必须定期革新数据源。
The database of land use can provided more accurate and more scientific decisive information for the optimal management model of land resource if only spatial data origins are renovated periodically.
要使土地利用数据库的成果在土地资源管理的模式优化方面取得显著成就，必须定期革新数据源。
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