significant figure

US /ˌsɪɡˈnɪf.ɪ.kənt ˈfɪɡ.ər/
UK /ˌsɪɡˈnɪf.ɪ.kənt ˈfɪɡ.ər/
"significant figure" picture
1.

有效数字

a digit in a number that is not a leading or trailing zero, or a zero that is not a placeholder

:
The measurement 0.0050 has two significant figures.
测量值0.0050有两个有效数字
When performing calculations, always consider the number of significant figures.
进行计算时,务必考虑有效数字的数量。