两个大样本均数比较方法的评价。
Evaluation of the comparative method of two large sample means.
各组均数间比较方差齐性检验、方差分析。
The homogeneity variance and analysis of variance were compared in every group.
结果：研究发现癌细胞与正常细胞比较，线粒体和溶酶体的比表面、数密度均减小。
Results: Compared with those of normal cell, the specific surface and numerical density of the mitochondrion and the lysosome in the mid and late stage were decreased.
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