• Self-selection bias and sampling bias are also discussed at the end of the paper.

    与此相关的自选择偏差抽样偏差问题文中进行了讨论

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  • Clinical trials take a long time because they're rigorously controlled, with close attention paid to sampling bias and methodology.

    临床试验需要花费时间因为它们处于严格控制之下,必须密切留意取样偏差与方法。

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  • In order to reduce the effect of sampling bias in qualitative and quantitative results, it is necessary composition of the sample used be representative of the batch of drugs being examined.

    为了减少取样偏差定性定量分析结果影响,确保用来代表每批药品进行检验样品量必要的。

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  • In addition to sampling error, question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of survey data.

    除了采样误差调查提问措辞一些实际困难也会导致在采集数据中产生误差偏差

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  • But critics have a point that genetic police work, like the sampling of arrestees, is fraught with bias.

    他所说正确的。评论家们持有一种观点认为提取被捕基因样本的基因治安充满了偏见的。

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  • The DSP realizes functions of sampling, PI regulation, communication and so on to digitally control the excitation current of arc-suppression coil with magnetic bias.

    DSP主要完成采样PI调节通信等,实现式消弧线圈励磁电流数字控制

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  • What possible sources of bias might have been introduced into the study by using this method of sampling.

    由于使用样本收集方法该项研究可能存在偏见来源哪些

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  • In addition to sampling error, question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of public opinion polls.

    除了取样错误之外,问题之文字表述实际执行之困难亦会造成错误诱,以致结果失真

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  • 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.

    给出了二阶估计偏差估计误差以及均方误差的估计。

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  • 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.

    给出了二阶估计偏差估计误差以及均方误差的估计。

    youdao

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