... MES-BATT 电池信号 MES-BIAS 信息偏压，常用于海尔手机电路。 Messeras Off 信息关闭 ...
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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.
给出了二阶比估计量的偏差、估计量的均方误差以及均方误差的估计。
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