random occurrence

基本解释

Likely cause: Stress may be a factor, but otherwise they are a random occurrence.
可能的诱发原因：压力有可能导致噩梦，但除此之外，做噩梦是一个随机事件。
The sequence suggested a random occurrence of shocks in a weakening zone, rather than a fracture propagating regularly from one end of a fault to the other.
它们似乎是随机地发生在一个脆弱带中，而不象是一个破裂从断层的一端传递到另一端。
In this paper, based on the characteristics of time distribution for seismic region in China, the author proposed a two-state random occurrence model.
根据我国各地震区历史地震活动的时间分布特征，本文提出了一种适用性较强的双态随机发生模型。

Eccles also noted that daily fantasy sports subtract a component of luck from the competition by taking out the random occurrence of injuries.
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The Monte Carlo gamblers invented all sorts of reasons to explain the long run of black, failing to appreciate that each appearance of black was a random occurrence.
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