岩石相互推挤得越厉害，它们就会变得越热；换句话说，不仅是岩石的性质，压力本身也影响摩擦加热。
The harder rocks push against each other, the hotter they become; in other words, pressure itself, not only the rocks' properties, affects frictional heating.
采用离散单元法，分析了当荷载、岩体的摩擦角、锚杆间距、锚杆方向和岩体的性质变化时，顶板的稳定性。
Discrete element method is used to analyze the roof stability in accordance with the variation of its loading, rock frictional Angle, bolt spacing, rock properties and bolt orientation.
研究发现稳态摩擦系数的数值依赖于介质性质和实验条件。
It was found that the value of steady friction coefficient was depended on the fluidic medium property and experimental conditions.
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