降低校园火灾发生的频率及严重程度的翻译：Reduce frequency and severity of campus fire 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Reduce the the the frequency of occurrence by the campus fire and severity of

Reduce frequency and severity of campus fire

Reduces frequency and serious degree which the campus fire occurs

Lower campus fire in frequency and severity of the

Reduce frequency and severity of campus fire