略語大辞典 [C] 25 PRO Precision Risc Organization 精密RISC機構. 企業が設立したRISCコンピュータ業界組織名. Precision Risc Organization; an indusrial organization for PA-RISC(precision architecture reduced instruction set computer) technology; [C:Ind:Pub]. 丸善「略語大辞典」JLogosID : 11856548