In a measurement we get the measured value is 50mm. if the true value is 50.02mm, then what is the measurement error?( )。
A、50mm
B、50.02mm
C、0.02mm
D、-0.02mm
发布时间:2025-08-18 06:05:14
A、50mm
B、50.02mm
C、0.02mm
D、-0.02mm