1
  PL/1規劃語言	PL-1
  1
  一種微程序控制計算機
  1
  公用數據網的用戶類別; 國際公用數據網用戶服務分類
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       adj : used of a single unit or thing; not two or more; "`ane' is
             Scottish" [syn: one, i, ane]
       n : the smallest whole number or a numeral representing this
           number; "he has the one but will need a two and three to
           go with it"; "they had lunch at one" [syn: one, I, ace,
            single, unity]