The validity, features and adaptive region of these models are analysed through test, and compared with the least square regression model.

通过实验分析这两种模型的有效性、特点及适用范围，并与常用的最小二乘回归模型相比较。

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In this paper, the relation among the water level, area and volume of inundation in the test region is defined by selecting proper test region, setting up its DEM and using regression analysis.

通过选择适当的试验区，建立其DEM，利用回归分析确定了试验区内淹没水位、淹没面积与淹水量三者之间的关系。

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Using tendency test and stepwise regression, and other statistical methods, this article measured and analyzed the seasonal variation of inhabitatants' deaths in Jiangan region in Wuhan City.

本文运用百分率趋势检验和逐步回归等统计方法，测定和分析了武汉市江岸区居民死亡的季节变动规律。

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