effective stresses的用法和樣例：
例句
- Seismic responses of unconsolidated sands indicate that Poisson's ratio is related to the parameters of sand with low effective stress.
非固結砂岩的地震響應研究表明泊松比參數與低有效應力的砂岩模型參數有關。 - An effective stress calculation formula for coal containing gas is proposed coupling with the swelling stress of gas adsorption in the effective stress principle for porous media.
摘要首先在多孔介質的有效應力原理中引入瓦斯吸附的膨脹應力，推導出了適用於含瓦斯煤岩的有效應力計算公式。
