A.I=(U+F+S) B.I>(U+F+S) C.I<(U+F+S) D.正相關(guān) E.負(fù)相關(guān)
A.饑餓 B.進(jìn)食低質(zhì)量蛋白 C.攝入氮>排出氮 D.糖尿病 E.攝入氮<排出氮
A.30% B.10% C.8% D.5% E.3%