A.GlobalPositioningSystem
B.GeographyPositioningSystem
C.GeometryPositioningSystem
D.GeologicalPositioningSystem
A.CHINAESTERNAIRLINES
B.CHINANORTHERNAIRLINES
C.CHINANORTHWESTAIRLINES
D.CHINASOUTHERNAIRLINES
A.SafetyManagementSystem
B.SafetyMessageSystem
C.SecurityManagementSystem
D.SafetyMeasurementSystem
A.Artificial Intelligence
B.Arctic internet
C.Art intel
D.Artificial internet
VRML的英文全称是()
a.VirtualRealityModelingLanguage
b.VirtualResourceManagementLanguage
c.VirtualRealityMultiLanguage
d.VisualrealityModelingLanguage
A.omputer Aided Drawing
B.omputer Aided Design
C.omputer Aided Graphics
D.omputer Aided Plan
A.Science Citation Index Expanded
B.Science Citation Index
C.Social Sciences Citation Index