通过计算各种风险因素的综合影响系数并绘制风险因素的原因一结果图，找出影响基础工程施工的关键风险因素。
The key risk impact factors of foundation engineering were identified by calculating the comprehensive effect coefficient of risk factors and drawing the reason-result figure.
孔隙率，面密度，厚度，流阻，结构因数因素综合影响其吸声系数。
Porosity, surface density, thickness, flow resistance, structure factor and other factors affect the sound absorption coefficient.
结果表明，微裂缝性特低渗透油藏一维单向渗流的压力分布影响因素比较多，如启动压力梯度、变形系数、生产压差和排距等，并且这些因素均以非线性方式产生综合影响。
The single-phase porous flow plugged by mobile gels is nonlinear, the starting pressure of oil is lower than that of water, and the permeability of oil is higher than that of water.
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