estimation of sample size 样本含量估计
estimation of fetal size 胎儿大小的估计
Estimation of network size 网络规模估计
Estimation of population size 基数估计
·2,447,543篇论文数据，部分数据来源于NoteExpress
Klein's estimation was crucial because the council must decide on the size and shape of the operation by Monday, when the U.N. mandate for Croatia expires.
CNN: U.N. could send troops to Slavonia
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