Laohutai mine in Fushun is one of the mines in which the impact ground pressures have taken place earlier and more frequently.

抚顺老虎台矿是我国发生冲击地压较早、次数较多的矿区之一。

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The result showed that the mined-out area can not induce impact ground pressure hazard, but partial caving may occur.

结果表明：该采空区不会发生冲击地压灾害，但可能发生局部冒顶。

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This prediction guidance method is divided into two: prediction of impact ground location and search of optimal lateral force.

该预测制导法分两个过程：预报落点位置和最优横向力搜索。

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The difference is that while a no-fly zone could be terminated easily, it is unlikely that it would have any impact on ground operations.

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These tools, albeit of great importance, have still limited impact on the ground.

UNESCO: Lecture: Heritage and Conflict

The observers "have had an effective impact on the ground, " and "their presence helps to change the political dynamic, " Ladsous asserted.

CNN: U.N. notes cease-fire violations from both sides in Syria