random occurrence

基本解释

Likely cause: Stress may be a factor, but otherwise they are a random occurrence.
可能的誘發原因：壓力有可能導致噩夢，但除此之外，做噩夢是一個隨機事件。
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.
它們似乎是隨機地發生在一個脆弱帶中，而不象是一個破裂從斷層的一耑傳遞到另一耑。
In this paper, based on the characteristics of time distribution for seismic region in China, the author proposed a two-state random occurrence model.
根據我國各地震區歷史地震活動的時間分佈特征，本文提出了一種適用性較強的雙態隨機發生模型。

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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