A.become a Loong
B.become a dragon
C.have a bright future
D.become a tiger
A.The panda is black and white
B.olour the elephant blue
C.This is a big tiger
A.Coverage数据是无拓扑数据
B.Tiger数据也是无拓扑数据
C.FileGeoDataBase和PersonalGeoDataBase可以同时存储栅格和矢量数据
D.ShapeFile是一种包含拓扑关系的矢量数据