In his book " Studies on zoogeographical divisions for fresh water fishes of China ", Li divided the fauna of freshwater fishes in China into five major regions based on characteristics of fish species distributions, geographic environments and geological histories of these regions.
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It is also a multi-user shared, intelligent, virtual environment representing the real geographic environment to conduct geo-spatial analysis, to carry out geo-visualization, to support collaborative work, planning and decision making, as well as to serve for training, geographic education, and entertainment.
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By merging geographic knowledge, computer technology, virtual reality technology, network technology, and geographic information technology, VGEs are built with the objective of providing open, digital windows into geographic environments in the physical world, to allow users to feel it in person by a means for augmenting the senses and to know it beyond reality through geographic phenomena simulation and collaborative geographic experiments.
