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Such avalanches may also be what triggers lightning .

触发器闪光可能就是发生了这种电子雪崩。

All these were omens of avalanches .

以上几点都是雪崩的前兆。

He found that these neural avalanches are scale invariant and that their size obeys a power law .

他发现这些神经雪崩是规模不变的，还有它们的大小遵循幂次定律。

In addition , they have noted that temperatures this year are higher thanaverage . This increases the risk of avalanches .

另外，他们也注意到今年的温度比平常高，这也就增加了雪崩的危险。

During the spring , carbon dioxide changes from a solid to a gas with enough force to trigger small avalanches .

在春季，二氧化碳从固体升华为气体的过程中有足够的能力引发小型雪崩。