The exposure in different sits of body surface inroentgenologists was lower than the permissiblelevel.
放射科医生体表各部位的照射量均低于容许水平。
2
In two months it had reached almost 33 millisieverts, or a third the level normally permissible for those working on a nuclear accident in a year.
在接下来的两个月中它已基本上达到33毫西弗特，或者达到工人所能够在核事故工作一年的第三等级。
3
Unsuccessful applicants may re-apply to take AEIS in the following year at the same or higher level, subject to them meeting the permissible age-ranges for the level.