Integrated System of Distance Education
integrated system of protection and emer-gency control system
Regional Environment Integrated Modeling System
therapy of integrated of TCM and WM
design and development of modeling system
administrative system of land use right
Automatically classifying system of land cover
Database System of Land Use
dual law system of land
dynamic monitoring system of land and resources
Dynamics of Land System DLS
emergence of system of systems
Information system of land mineral resources management
Information System of Land Resource
land system of the Song Dynasty
limited ownership of land system
parcel of land of ownership