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    第二節
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第二節
Duration: 51:07, Browse: 633, Last Updated: 2017-11-03
    Location
    Folder name
    第六週(2017.10.26)
    Author
    物理系
    Branch
    物理系
    Created
    2017-11-02 23:21:18
    Last Updated
    2017-11-03 01:06:28
    Duration
    51:07