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在制定国家标准———塑料件表面粗糙度比较样块的参数测试、验证报告基础上，总结了塑料件表面粗糙度比较样块平均值偏差和标准偏差的确定依据，对实验数据进行了分析，指出了塑料件表面粗糙度测量中存在的问题及解决办法．
Based on the test and verification of the national standard --- the comparison of the surface roughness of plastic parts, the experimental data were analyzed based on the determination of the average deviation and the standard deviation of the samples with the same surface roughness. , Pointed out the problems and solutions in the measurement of surface roughness of plastic parts.