略語大辞典 [Med] 20 RDA recommended (daily or dietary) allowance 推奨一日許容量. 推奨毎日摂取許容量.recommended (daily or dietary) allowance; of essential micronutrients; e.g. of vitamins and minerals; [Med:Food]. 丸善「略語大辞典」JLogosID : 11857554