方法通过现场监测，按照标准对辐射源安全级别，场所辐射防护区域，工作人员接受的剂量水平进行分析评价。
Analysis and evaluation were carried out on the safety grade of the radiation source, radiation prevention site and the exposure dose level of the working staff.
一个全频带WR28匹配负载浸入液氮中作为该标准的噪声辐射源。
A full band WR28 matched load immersed in the liquid nitrogen is served as the noise radiation source of the standard.
暴露于这些辐射源会增加0.5 ％产生致命癌症的潜在的风险，基于EPA标准的风险评估的做法。
Potential exposures to these radiation sources may increase the risk of fatal cancer by as much as 0.5 percent based on EPA risk assessment practices.
暴露于这些辐射源会增加0.5 ％产生致命癌症的潜在的风险，基于EPA标准的风险评估的做法。
Potential exposures to these radiation sources may increase the risk of fatal cancer by as much as 0.5 percent based on EPA risk assessment practices.
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