To note the occurrence of an event.

注明一个事件的出现。

youdao

Cooling ages are only restricted within the time range of occurrence of an event of metamorphism-deformation and cannot represent the real time of occurrence of a geological event.

冷却年龄只能限制变质-变形事件发生的时间区间，不能真正代表地质事件的发生时间。

youdao

Signals are software interrupts that send information about an occurrence of an asynchronous event to an executing program, or process.

信号就是软件中断，可以向正在执行的程序(进程)发送有关异步事件发生的信息。

youdao

Since the capabilities of such intelligence would be difficult for an unaided human mind to comprehend, the occurrence of a technological singularity is seen as an intellectual event horizon, beyond which events cannot be predicted or understood.

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And in the event of such an occurrence taking place, that presents a great risk.

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