Jiao Baocong

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The application of video resources has become extensive, and the demand to the video retrieval is growing intensely. How to access the video clips expected quickly and accurately from the massive video database has become the key issue in the development of the video information retrieval. The existing retrieval process based on keywords is no longer(More)
This paper is performance-oriented. It introduces what is the study help system, and gives an instruction and definition about the study help system, sums up its function and effect, then classifies the familiar study help systems and analyses them, brings forward four design principles for the study help system as well as its improved ways and its key(More)
Based on develoopment of subjectivity for students, the thesis raises a thought about designing an online learning environment, so as to improve the development of subjectivity on students.Then it analysizes the design thought and the flow of work for online learning environment, and draws up the flow chart of work. At last, it illustrates the feasibility(More)
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