必然性和偶然性的产生其实都是有原因的。
通过分析得出体育失范现象的出现有其必然性和偶然性，并相应的提出扼制失范现象发生的策略。
The paper analyses sports "scandal" exists; there has its inevitability and chance, and the corresponding proposed checking "scandal" in the strategy.
事故的发生具有偶然性、必然性和可预防性等特性，充分认识事故的这些特性对提高安全意识水平有重要的意义。
Accidents have characteristics of contingency, inevitability and preventability. Fully realization of these characteristics is of great significance in raising the level of safety awareness.
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