重点讨论了单一插补的方差估计与多重插补的简化计算以及使用回答概率的单一插补等。
Then, variance estimates of single imputation, simplified calculation of multiple imputation and imputation using response probability are studied.
I mentioned a little bit that this membrane is not just lipid bilayer but there's also proteins that are inserted into the membrane.
我之前说过,这层膜不仅仅是一层脂质双分子层,而是有很多蛋白质嵌插在膜上的
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