风险事故中，误操作导致的风险占风险事件总数的比例很大。

A large number of risk events are caused by misuse failure.

youdao

然而，这个低报了撞鸟事件的总数。

This under-reports the total number of strikes, however.

youdao

在长达八年的研究期间，对符合研究标准的总数达467,809件的严重事件进行了鉴定。

During the 8-year study period, a total of 467,809 serious events meeting study criteria were identified.

youdao

在长达八年的研究期间，对符合研究标准的总数达467,809件的严重事件进行了鉴定。

During the 8-year study period, a total of 467,809 serious events meeting study criteria were identified.

youdao