有意思的是，电厂里的本底辐射水平低于莫斯科中心的本底辐射水平。
It is an interesting fact that background radiation level in the power plant is lower than in the center of Moscow.
其他国家迄今测量到的辐射程度，远低于大多数人每天都会受到的本底辐射水平。
Radiation levels measured to date in other countries are far below the level of background radiation that most people are exposed to in every day circumstances.
核辐射对生物有害，而长时间高水平的本底辐射对生态系统有何影响，人们还知之甚少。
Radiation is harmful to living things, yet the long-term effects of persistently high levels of background radiation on ecosystems are poorly understood.
核辐射对生物有害，而长时间高水平的本底辐射对生态系统有何影响，人们还知之甚少。
Radiation is harmful to living things, yet the long-term effects of persistently high levels of background radiation on ecosystems are poorly understood.
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