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RAM : 1）random-access memory ランダムアクセスメモリ
REM : 1）rapid eye movements (睡眠中の)急速眼球運動
RA : 1）Royal Academy ロイヤルアカデミー
RM : 1）Royal Marines 英国海兵隊
RAC : 1）Recombination DNA Advisory Committee 組み換えDNA委員会
R.A.F. / RAF : 1）Royal Air force 英国空軍
RSM : 1）Regimental Sergeant Major連隊付き上級曹長
RN : 1）Royal Navy 英国海軍、 registered nurse 《米》正看護婦
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RAM

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