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.
以2株溃疡病菌株及其亚硝酸盐诱变菌株、异核体菌株接种苹果进行致病性测定，经方差分析和多重比较表明，溃疡病菌致病力变异可由亚硝酸盐诱变、异核体产生。
By inoculation on apple with 2 wild canker pathogens and their nitrite mutant isolations and heterokaryotic isolations, the pathogenicity was got and analyzed by variance and multiple comparisons.
提出了一种新的概率函数计算方法，用于研究金融时间序列在方差波动方面的多重分形特征。
A new probabilistic function for studying the multi-fractal features on the volatility of variance of financial time series is proposed.
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