Placid ground snow awaits the crush of an avalanche descending a rock mountain face in Alaska.
阿拉斯加的岩石山上平静的积雪突然发生的雪崩。
And if that rock is supporting a lot of other rocks, those drops of water can cause an avalanche.
而如果这块石头正支持着其它石头,那些水滴就能够让石头如雪崩般的滑落。
The core of the study on chained regularity of perilous rock is to confirm the avalanche time of each perilous rock suffering from different loads.
危岩链式规律的研究核心是确定各个受力不同的危岩体的崩落时间。
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