The development of distant virtual experiment does not meet the demand of modern distant education up to now. One of the main reasons is that distant virtual experiment process model is not built up. The formalized definition of virtual experiment is given, and an abstract-formal model of virtual experiment process is built up by applying object-oriented technology and UML, including use case diagram, static model, and dynamic model by use of active diagram and sequence diagram. The relationships between these concepts as virtual experimental object, virtual experimental operation, collaborati...
