con·gru·ence /kənˈgruən(t)s, ˈkɑŋgruən(t)s/
  適合,一致,相合性
  Con·gru·ence n.  Suitableness of one thing to another; agreement; consistency.
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  congruence
       n : the quality of agreeing; being suitable and appropriate
           [syn: congruity, congruousness] [ant: incongruity,
           incongruity]