National Remote Sensing "a map" project is the second national land survey of Land and Resources job content is an important part of the organization, by the China Land Surveying and Planning Institute is responsible for the overall project organization and implementation. The project construction is the land and resources management in particular, cadastral management, a major change, to achieve full-year coverage of the latest remote-sensing images, and comprehensive land-use change information extraction, change for the future provide the basis for investigation and verification, to ensure land data for the current potential and authenticity, to maintain the vitality of the investigation results, improve the land and natural resources monitoring system of the building of great significance. "A map" on remote sensing, land use status, basic farmland, remote sensing, monitoring, and basic geographic information, such as multi-source collection, and land resources plans, approval, supply, replenishment, development, law enforcement and other administrative monitoring system superposition of resources development and utilization of the "sky view, on-line pipe, ground investigations," dynamic regulatory objectives.

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