其形态特征在失稳过程中会发生变化。
The features of the strain image pattern will change during deformation.
走向条带煤柱的破坏失稳是典型的偏离平衡态的非线性过程。
The instability and failure of strip coal pillar along strike is a typical nonlinear process.
由于空隙瓦斯的存在，加剧了煤体失稳破坏的过程；
The existence of gap gas aggravate the course of coal body damage;
由于空隙瓦斯的存在，加剧了煤体失稳破坏的过程；
The existence of gap gas aggravate the course of coal body damage;
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