ob·scu·ran·tism /ɑbˈskjʊrənˌtɪzəm, əb; ˌɑbskjʊˈræn-/
  反啟蒙主義,反開化論,文盲政策
  Ob·scur·ant·ism n. The system or the principles of the obscurants.
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  obscurantism
       n 1: a policy of opposition to enlightenment or the spread of
            knowledge
       2: a deliberate act intended to make something obscure