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RDA

abbreviation
/ˌɑː diː ˈei/
/ˌɑːr diː ˈei/
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  1. recommended daily allowance
    or
    recommended dietary allowance
    (the amount of a chemical, for example a vitamin or a mineral, which you should have every day)
    (维生素或矿物质等的)建议每日摄取量(全写为 recommended daily allowance 或 recommended dietary allowance)

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