• 平均大小 3,131平方英尺标准偏差为 655 平方英尺(标准偏差一个描述差异)。

    The average size is 3,131 square feet, with a standard deviation of 655 square feet. (Standard deviation is a statistical measure of variance.)

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  • 本次调查特别设计引入经济计量方法克服受援公司类型任何系统偏差

    The survey was specifically designed to support an econometric approach designed to overcome any systematic bias in the type of assisted firms.

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  • 第三零售商品经销者销售商品必须使用合格计量器具最大允许误差应当优于等于销售商品的偏差

    Article 3 When selling commodities, a retailer must use eligible instruments of measurement, and the allowed maximum error shall precede or be equal to the minus deviation of the commodities sold.

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  • 沥青混合的沥青含量偏差主要来自生产时的计量误差配比偏差拌和均匀性检测时的试验误差,文章这些影响因素进行了分析。

    Asphalt content errors in asphalt aggregate mainly come from metering errors, grading errors, mixing homogeneity and measurement errors. These influencing factors are analyzed in the article.

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  • 鉴于音速喷嘴我国气体流量计量领域重要地位消除系统偏差需要确定适合我国的湿度修正方法

    Considering the importance of sonic nozzles in the field of gas flow measurement, a suitable humidity correction method is required in order to eliminate the systematic error.

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  • 给出分子已知情况下比率偏差误差以及均方误差估计,对两类比率估计量进行了比较

    In this paper, the bias of the ratio estimator and the estimate of mean square errors of this estimator with known numerator have been compared and discussed.

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  • 我们计算极差,四分点平均绝对偏差答案计量单位数据单位量相同的。

    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.

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  • 适用于检查7级或低于7精度内外齿齿齿圆柱齿轮的周偏差操作简便,易于维修,可供各工厂计量车间使用。

    This tester is suitable to measure accuracies of pitch deviation with inside and outside straight helical circular gear among seventh degree. Easy to operate and maintenance.

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  • 给出了二阶偏差误差以及均方误差的估计。

    For the ratio estimate in two-stage sampling, the bias and mean square errors(MES) of the estimater value have been obtained, and the estimater value of the MSE has been given.

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  • 给出参数回归模型偏差渐近方差适当条件下利用大小分块的思想获得计量的渐近正态性。

    Given the asymptotic bias and the asymptotic variance of estimation, moreover obtained the asymptotic normality of the estimation under certain condition using small-block and large-block arguments.

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  • 给出参数回归模型偏差渐近方差适当条件下利用大小分块的思想获得计量的渐近正态性。

    Given the asymptotic bias and the asymptotic variance of estimation, moreover obtained the asymptotic normality of the estimation under certain condition using small-block and large-block arguments.

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