实际应用表明，用该专家系统识别的顶板破坏模式与实际的顶板破坏模式基本吻合。
The application of expert system in actual mines shows that the identified failure modes of hanging wall by this expert system have good agreement with the actual.
岩石较少有直接拉伸破坏，在巷道和采场顶板中，弯曲变形是重要的变形模式。
The bending deformation was a kind of important deformation mode in the tunnels and roofs of coal mines because direct tensile failure of rock seldom happened.
岩石较少有直接拉伸破坏，在巷道和采场顶板中，弯曲变形是重要的变形模式。
The bending deformation was a kind of important deformation mode in the tunnels and roofs of coal mines because direct tensile failure of rock seldom happened.
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