A risk prevention mechanism Mvvs的用法和樣例：
例句
- The lack of early-warning and protecting mechanism was the main anthropogenic reason.
事前缺乏預警和相應的防范機制是事件發(fā)生的人為原因。 - This interchangeability is an ethnic resource for the progress and optimization of moral beliefs as well as for the social control and preventive mechanism.
道德信仰的律動(dòng)為道德信仰的進(jìn)步和優(yōu)化以及建立有效的社會(huì )調控防范機制提高了倫理資源。
