Yibin Zhao

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Discoveries of integumentary coverings on non-avian theropod dinosaurs are becoming commonplace. But the only definitive evidence so far that any of these animals had feathers as we know them today has come from the oviraptorosaur Caudipteryx and the enigmatic coleurosaur Protarchaeopteryx, both of which are considered by some to be secondarily flightless(More)
Based on previous work, this paper designs an intelligent agent based Virtual Geographic Environment (VGE) system that is characteristic of huge data, rapid computation, multiuser , multi-thread and intelligence and raises challenges to traditional GIS models and algorithms. The new advances in software and hardware technology lay a reliable basis for(More)