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发明名称
METHOD FOR AUTOMATICALLY CONTROLLING QUESTION DIFFICULTY DEGREE OF QUESTION BANK TYPE ON LINE TESTING SOLUTION
摘要
申请公布号
KR20010103093(A)
申请公布日期
2001.11.23
申请号
KR20010059114
申请日期
2001.09.24
申请人
SAMSUNG S.D.S CO., LTD.
发明人
KIM, JI HUN
分类号
(IPC1-7):G06F17/60
主分类号
(IPC1-7):G06F17/60
代理机构
代理人
主权项
地址
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