A.偶然誤差 B.系統(tǒng)誤差 C.可能是偶然誤差也可能是系統(tǒng)誤差 D.既不是偶然誤差也不是系統(tǒng)誤差
A.114.90,-38.23 B.-114.90,38.23 C.115.07,-35.90 D.-115.07,35.90