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实验重复3次的含义

更新时间: 2020-09-17 00:00:00     

1、多次实验取平均值减小实验误差;

2、得出多组数据,便于总结出实验规律;

3、避免偶然现象,使结果更真实。

关键词: 实验 重复 含义

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