A.觀察分?jǐn)?shù)B.測(cè)量誤差C.真分?jǐn)?shù)D.實(shí)得分?jǐn)?shù)
A.觀察分?jǐn)?shù)B.真分?jǐn)?shù)C.測(cè)量分?jǐn)?shù)D.實(shí)際分?jǐn)?shù)