4DP7APXIA322
4DP7APXIA322
4DP7APXIA322
3． 粗差
明显地歪曲测量结果的误差称为粗差。这种误差足由于测量操作者的粗心(如读铅、记错、算错数据等)、不正砌地操作、实验条件的突变或实验状况尚未达到预想的要求而匆忙实验等原因所造成的。
含有粗差的测量值称为异常值或坏值。一般地说，所有的坏值均应从测旦结果中剔除，但对原因不明的可疑测量值应根据一定的准则进行判断，方可决定是否应把该数值从测量结果中剔除掉。
二、准确度、精密度、度
测量的准确度取决于系统误差的大小。系统误差反映了测量结果与真位的偏离程度，系统误鼓愈小，则测员的准确度愈高。
测量的精密度取决于随机误差。因为随机误控反映了在相同条件下对同一被测量进行多次测旦时，所得测量结果的离散程度。随机误差越小，测量结果的重复性越好，测旦的精密度越高，反之亦然。
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厦门泰尼电气有限公司
【产品质量】原装进口
【检测标准】按原厂标准
【产品质保】 1 年
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厦门泰尼电气有限公司
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厦门市海沧区海沧街道滨湖一里1号楼
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