大學物理實驗中測量結(jié)果及不確定度的有效位數(shù)

張穎
長春大學理學院,吉林長春130022
摘　要:介紹了物理實驗中測量結(jié)果及其不確定度的有效位數(shù),通過舉例,對不同情況下與此相關(guān)的問題進行討論,從而明確測量結(jié)果及不確定度的有效數(shù)字的取舍。[著者文摘]

Significant figure of measurement result and its uncertainty in physics experimentZHANG Ying Applied Science Institute, Changchun University, Changchun 130022, ChinaAbstract:This paper devotes to the significant figures in the result of a measurement and its uncertainty. Through examples, the paper discusses various problems relevant to the significant figures under different conditions so as to determine the significant figures in the result of a measurement and its uncertainty in physics experiment.[著者文摘]

Key words:measurement ; uncertainty ; significant digit ; round off