Many dynamic disturbances often lead to local instability of roadway surrounding rock and mining workplace and result in rock burst in coal mining.

煤矿生产中存在着大量的动力扰动，常导致采矿巷道和采场围岩局部失稳，诱发冲击矿压发生。

youdao

But both national and local officials fear that the resulting job losses would cause instability, so progress has been modest.

ECONOMIST: Chinese carmakers: Still in second gear | The