一种可能的解释是春季逐渐强烈的光照使得这些干冰膨胀破裂，挤压悬崖边疏松的土和冰滚落下来。

One possibility is that the spring sunshine caused blocks of the ice to expand and break apart, sending loose dust and ice particles crashing down the slope.

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漂浮着的冰路由于受到了轻型货车重量的压力而下沉了一点点，就使得冰下的水被挤压并从冰洞中涌出，冰水四溢形成了薄薄的一水层。

The floating ice gives a little under the weight of the truck and forces water up through the holes where it spreads out to form a thin layer.

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最后，根据锯齿型冰力模型得出自激振动与连续挤压破坏发生的转变速率。

Then transition velocity of self-excited vibration and continuous crushing is got bu the model of saw-tooth force function.

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