de·fi·cien·cy /dɪˈfɪʃənsi/
 缺乏,不足,缺陷


 de·fi·cien·cy /dɪˈfɪʃənsɪ/ 名詞



 De·fi·cien·cy n.; pl. Deficiencies   The state of being deficient; inadequacy; want; failure; imperfection; shortcoming; defect. “A deficiency of blood.”
    [Marlborough] was so miserably ignorant, that his deficiencies made him the ridicule of his contemporaries.   --Buckle.
 Deficiency of a curve Geom., the amount by which the number of double points on a curve is short of the maximum for curves of the same degree.

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 deficiency
      n 1: the state of needing something that is absent or
           unavailable; "there is a serious lack of insight into
           the problem"; "water is the critical deficiency in
           desert regions"; "for want of a nail the shoe was lost"
           [syn: lack, want]
      2: lack of an adequate quantity or number; "the inadequacy of
         unemployment benefits" [syn: insufficiency, inadequacy]
         [ant: sufficiency, sufficiency]