in·con·clu·sive /ˌɪnkənˈklusɪv, zɪv/
  (a.)非決定性,不確定的,不得要領的
  In·con·clu·sive a. Not conclusive; leading to no conclusion; not closing or settling a point in debate, or a doubtful question; as, evidence is inconclusive when it does not exhibit the truth of a disputed case in such a manner as to satisfy the mind, and put an end to debate or doubt.
     Arguments . . . inconclusive and impertinent.   --South.
  -- In*con*clu*sive*ly, adv. -- In*con*clu*sive*ness, n.
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  inconclusive
       adj 1: not conclusive; not putting an end to doubt or question; "an
              inconclusive reply"; "inconclusive evidence"; "the
              inconclusive committee vote" [ant: conclusive]
       2: leading to no final results or outcome; "an inconclusive
          experiment"