strin·gent /ˈstrɪnʤənt/
  (a.)迫切的,嚴厲的,銀根緊的
  Strin·gent a.  Binding strongly; making strict requirements; restrictive; rigid; severe; as, stringent rules.
     They must be subject to a sharper penal code, and to a more stringent code of procedure.   --Macaulay.
  -- Strin*gent*ly, adv. -- Strin*gent*ness, n.
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  stringent
       adj : demanding strict attention to rules and procedures;
             "rigorous discipline"; "tight security"; "stringent
             safety measures" [syn: rigorous, tight]