形成岩石全应力应变曲线的时间序列反映了岩石内部节理裂隙趋向贯通的演化进程，砂岩节理裂隙系统在峰前阶段处于不同程度的混沌状态。
Evolution of rock joints into transfixion is described by the time series from strain-stress curves, and the state of joint system in sandstone is chaotic before its ultimate state.
煤储层孔隙、裂隙系统由孔隙、微裂隙、内生裂隙和外生节理组成。
The pore-fracture system consists of pore, microfracture, cleat and joint.
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