这句英文怎么翻译更好? “retroactivity. the provisions of this standard reflect a consensus of what is necessary to provide an acceptable degree of protection from the hazards addressed in this standard at the time the standard was issued.” 追溯性:应采取何种必要措施,以便针对标准中所述危险提供适当的保护,本标准之规定即体现了在标准发布之时这一共识。查看更多