试题与答案

溯源等级图() A.不同于溯源性体系表 B.由(n=1)等级向n等级溯源 C.用n等

题型:单项选择题

题目:

溯源等级图()

A.不同于溯源性体系表

B.由(n=1)等级向n等级溯源

C.用n等级校准(n=1)等级

D.两个等级间的不确定度之比是固定的

E.要指明测量不确定度的类型

答案:

参考答案:E

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