算术平均偏差,roughness average
1)roughness average算术平均偏差
1.The testing to standard examples of surface roughness is carried out with the non-tactile MicroXAM surface profiler made by ADE Phase-Shift and the rules of 3Droughness average and root mean square are analyzed according to the testing results.使用ADE公司的非接触式表面三维形貌仪对粗糙度标准样板进行系统测试,依据测试结果分析了三维粗糙度参数算术平均偏差与均方根偏差的规律。
英文短句/例句
1.arithmetical mean deviation of the (roughness) profile(粗糙度)轮廓的算术平均偏差
2.the arithmetic mean of the absolute values of deviations from the mean of a distribution.分布平均数与偏差绝对值的算术平均值。
3.standard deviation of the arithmetic mean of a series of measurements测量列算术平均值的标准（偏）差
4.standard deviation of weighted arithmetic mean加权算术平均值的标准（偏）差
5.single plane mean outside diameter deviation单一平面平均外径偏差
6.single plane mean bore deviation单一平面平均内径偏差
7.an extreme deviation from the mean.与平均数偏差最大的值。
8.experimental standard deviation of the mean平均值的实验标准偏差
9.Averages, standard deviations, and variances are not supported when a PivotTable report has calculated items.在数据透视表有计算项时，平均值、标准偏差和方差计算不被支持。
10.CLA=Centre Line Average (Methd)平均高度法，算术平均法
11.The method of successive minus is compared with the method of arithmetic average. The accidental error of method of successive minus is higher than that of arithmetic average obviously.逐差法与算术平均法相比较 ,逐差法的偶然误差明显高于算术平均法。
12.Statistics also tells us how to compute measures such as averages or deviations.统计学也告诉我们如何计算能说明平均值和偏差数。
13.The average relative deviation is less than 5%.计算值与实际测定值吻合较好，总的平均偏差小于5%。
14.unbias(s)ed variance无偏方差, 均方差
15.Earlier, when we calculated the range, the interquartile deviation, and average absolute deviation, the answers were expressed in the same units as the data itself.当我们计算极差，四分点离差和平均绝对偏差时，答案的计量单位与数据单位量相同的。
16.Diameter Tolerance, Ovality and Average Decarburized Layer Depth直径公差，偏圆度及脱碳层的平均深度
17.Cluster-Average Method: Applied in Readjusting the Deviation of Nonresponse;类平均法在无回答偏差调整中的应用
18.the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value.接近平均数的二阶矩；平均值随机变量的偏差的平方的期待值。
相关短句/例句
arithmetical average deviation算术平均偏差值
3)arithmetic mean deviation(R_a)算术平均偏差(R_a)
4)arithmetic mean deviation算术平均差
5)arithmetical mean deviation of the(foughness)profile(粗糙度)轮廓的算术平均偏差
6)standard deviation of the arithmetic mean of a series of measurements测量列算术平均值的标准(偏)差
延伸阅读
平均偏差(average deviation)分子式：CAS号：性质：又称平均偏差(average deviation)。单次测量值与测量平均值之差的绝对值的平均值，以AD表示。算术平均差不能准确地表示各次测定值之间彼此相符合的程度，例如在A组测量中偏差彼此接近，在B组测量中偏差有较大的同时又有较小的，而计算得到的两个算术平均差则可能是相同的。用算术平均差来评价一组测定值的精密度，不如用标准差来表征精密度好，现已很少应用。
