A.使食譜更加簡(jiǎn)化B.減少食譜營(yíng)養(yǎng)素含量的差別C.增加食譜營(yíng)養(yǎng)素含量的不確定性D.增大食譜營(yíng)養(yǎng)素含量的差別
A.0.1~0.3%B.0.3~0.5%C.0.8~1.0%D.1.2~1.4%
A.一日三餐B.一日三餐三點(diǎn)C.一日三餐二點(diǎn)D.一日三餐一點(diǎn)