It is of significance in practice to analysis the variance law and trend of Wenzhou population structure and understand the severe situation that the social security system environment.
认真分析温州人口结构变化的规律与趋势，深刻认识社会保障制度所面临的严峻形势，对于加快完善温州社会保障制度具有重大的现实意义。
Intuitive analysis and variance analysis are used to get the changing trend of the work-to-break and the optimum parameters. And then the tensile mechanism of the paper making felt is discussed.
运用直观分析法和方差分析法得出了断裂功的变化趋势及最优参数，并对造纸毛毯的拉伸机理进行了探讨。
The number of positive cell and mean of optical density were detected and the trend change was analyzed. The variance analysis and t-test were also performed.
测定阳性细胞数和平均光密度值，分析其变化趋势，并进行方差分析和t检验。
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