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指出下列情况引起的不是系统误差的是

单选题
2021-09-01 23:18
A、称量时试样吸收了空气中的水分
B、所用砝码被腐蚀
C、天平零点稍有变动
D、蒸馏水或试剂中,含有微量被测的离子
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正确答案
A

试题解析

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