Objective To explore the effect of long term, low dose occupational radiation exposure on workers health.
目的探讨低剂量长期职业辐射对作业人员健康状况的影响。
The limit for occupational radiation exposure among workers who deal with radioactive material is 50 millisieverts.
对于职业的处理放射性物质的工人，接触辐射的极限是50毫西韦特。
Objective: To study the chromosome aberration effect of low-dose occupational radiation exposure in medical X-ray workers.
目的：了解职业性低剂量外照射对医用X射线工作者的染色体畸变的影响。
Occupational exposure from natural radiation should be controlled, such as to underground miners and air crew.
有必要控制天然辐射产生的职业照射，如地下矿工和航空机组人员。
Occupational exposure from natural radiation should be controlled, such as to underground miners and air crew.
有必要控制天然辐射产生的职业照射，如地下矿工和航空机组人员。
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