In this paper, we have given a sufficient and nfcessary condition for the asymptotic optimum EB estimate on ceatain regular condition.

本文在一个正则性条件下，给出了渐近最优EB估计的一个充要条件。

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Patients with hypertension were also used as a reference group to estimate the incidence of CRS in a group with regular medical follow-up.

以规律随访人群中高血压病患者作为对照组，评估CRS的患病率。

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The traditional bubble frequency correlation to estimate regular channel could not be used to predict the narrow channels.

根据常规通道内的经验计算公式，不能很好地描述窄流道中的汽泡频率特性。

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