A.1965 B.1968 C.1970 D.1962
A.空間數(shù)據(jù) B.拓?fù)鋽?shù)據(jù) C.屬性數(shù)據(jù) D.灰度值
A.柵格數(shù)據(jù)結(jié)構(gòu) B.矢量數(shù)據(jù)結(jié)構(gòu) C.屬性 D.灰度值