ﻣﻔﺎﻫﻴﻢ ﻭ ﺭﻭﺷﻬﺎﻱ ﺩﺍﺩﻩ ﻛﺎﻭﻱ ﻓﻀﺎﻳﻲ ﺩﺭ ﺳﺎﻣﺎﻧﻪ ﺍﻃﻼﻋﺎﺕ ﻣﻜﺎﻧﻲ