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At present, many virtual learning communities are just simple two-dimensional replicas of former teaching materials, most virtual learning environments are not capable of realizing multi-person cooperation, and lots of educational researchers lack basics about computer network server programming. In addressing to these problems, first a Web3D-based distributed virtual reality platform is introduced...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.