While groundwater flows through an unconfined aquifer due to heterogeneity, the vertical average saturated hydraulic conductivity is a function of hydraulic head.
地下水流于非拘限含水层流动时，因含水层之非均质性，使得垂直平均之饱和水力传导系数随地下水水位高低而变化。
Concrete's unconfined long-term compressive strength is related to a number of factors, and these factors are uncertain.
混凝土的无侧限长期抗压强度与许多因素有关，而这些因素又是不能确定的。
Through the regression analysis of the experimental data of different cement proportion, we get a regression formula of unconfined compression strength of vegetation concrete.
通过对不同水泥掺入比的试验数据的回归分析，得出了植被混凝土无侧限抗压强度的回归公式。
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