【摘要】 土地是宝贵的资源,及时、准确地掌握土地资源利用情况特别是耕地的数量、质量、分布及其变化趋势,直接关系到国民经济的持续发展与规划,土地资源管理信息系统的开发具有非常重要的意义。研究在土地资源管理信息系统开发中,空间数据的存储与管理、空间实体的序列分析以及地物历史状况的恢复等关键技术问题。更多还原

【Abstract】 Land is valued resource. Control of land resources using, especially the quality, quantity, distribution and changing trend timely and accurately,this relates sustaining development and plan of national economy directly. Developed system of land resources management information has very important significance. The key technical problems such as storage and management of spatial data,sequence analyzing of spatial entity and the comeback of terra object historical states are researched in developing of land resources management system. ;更多还原