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:本标准的规定体现了一种共识,那就是在标准发布之时,对标准中所述各项危害,有必要提供一个可接受的危害防护程度规定。查看更多