This paper begins with an analysis of the cost of a small thermal power plant by using successive regression analysis.
运用逐步回归分析方法对小型电厂进行成本分析，得出影响电厂成本的主要因素是燃料费、辅助材料费及管理费。
Pathcoefficient analysis was conducted to estimate the direct effect of each trait with successive regression.
继而通过逐步回归进一步进行通径分析，明确了各性状的直接效应。
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