單項選擇題

在相同條件下,對同一被測量進行多次連續(xù)測量,測量值為:0.01mm,0.02mm,0.01mm,0.03mm。用極差法計算得到的測量重復(fù)性為()。(注測量次數(shù)為4,極差系數(shù)近似為2)

A、0.02mm
B、0.01mm
C、0.015mm
D、0.005mm

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