Shear stress developed according with thrust-gliding action. Coal-rock bed flow was brought out.
推、滑覆作用形成的顺层剪应力，引发了煤层的流变。
Such a gliding action does have catch points where the plates are not smooth, and hesitation and jerking with a sudden release occurs, a type of earthquake that seems to last for most of an hour.
这种滑动作用在板块不平滑之处的确有着“捕获点”，板块突然释放时，就形成了阻碍和晃动。这种类型的地震最长似乎可以持续1小时。
Their action is magnificent- free flowing, gliding and elastic;
他们的行动是宏伟的自由流动，滑翔和弹性；
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