effective stresses的用法和样例：
例句
- Seismic responses of unconsolidated sands indicate that Poisson's ratio is related to the parameters of sand with low effective stress.
非固结砂岩的地震响应研究表明泊松比参数与低有效应力的砂岩模型参数有关。 - 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.
摘要首先在多孔介质的有效应力原理中引入瓦斯吸附的膨胀应力，推导出了适用于含瓦斯煤岩的有效应力计算公式。
