共 2 条
- [1] Geom etric signatures for determ ining polygonequivalence during m ulti-scale GIS update 〔A 〕 .2 Kidner D B. Geographical Inform ation. Second Joint EuropeanConference & Exhibition on Geographical Inform ation 〔C〕 . 1996
- [2] Principles and Application .2 Shepherd I D H. longman . 1991