A.能量 B.蛋白質(zhì) C.鈉 D.鐵
A.比較數(shù)值 B.相對(duì)數(shù)值 C.絕對(duì)數(shù)值 D.常規(guī)數(shù)值
A.絕對(duì)數(shù)值和比較數(shù)值 B.絕對(duì)數(shù)值和相對(duì)數(shù)值 C.常規(guī)數(shù)值和相對(duì)數(shù)值 D.比較數(shù)值和相對(duì)數(shù)值