问题
单项选择题
测得某标准容器的示值为A，被检容器的示值为B，则某被检容器的相对误差是（）的百分数。
A、A与B之比
B、B与A之差除以A
C、B的负数与A加B之和的比
D、A与B之差除以B与A之差
答案
参考答案：B
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测得某标准容器的示值为A，被检容器的示值为B，则某被检容器的相对误差是（）的百分数。
A、A与B之比
B、B与A之差除以A
C、B的负数与A加B之和的比
D、A与B之差除以B与A之差
参考答案：B
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