【单选题】【消耗次数：1】
钢尺的尺长误差对距离测量产生的影响属于( )
①
偶然误差
②
系统误差
③
偶然误差也可能是系统误差
④
既不是偶然误差也不是系统误差
参考答案：
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相关题目
【单选题】
下列水准测量误差影响中，属于系统误差的是（ ）。
①
视准轴与水准管轴不平行的误差
②
在水准尺上估读毫米不正确的误差
③
水准管气泡居中不正确的误差
④
水准尺刻划误差
【多选题】
下述情况()属于系统误差
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滴定前用标准滴定溶液将滴定管淋洗几遍
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称量用砝码没有检定
③
称量时未等称量物冷却至室温就进行称量
④
滴定前用被滴定溶液洗涤锥形瓶
⑤
指示剂变色后未能在变色点变色
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