但其检测量大大高于自然本底辐射量一万倍。
But natural background radiation is more than 100, 000 times the highest levels detected.
但其检测量大大高于自然本底辐射量一万倍。
But natural background radiation is more than 100,000 times the highest levels detected.
从生物机理上说，我们可能已经习惯了这种本底辐射。
Possibly we are accustomed, biologically speaking, to this background radiation.
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.
目的估算阳江高本底辐射慢性照射可能导致的实体癌超额相对危险。
Objective To estimate the excess relative risk for solid cancer associated with chronically exposure to high-background natural radiation in Yangjiang area of China.
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.
费米实验室到霍姆斯塔克的距离是到首丹的两倍，而霍姆斯塔克深度也是首丹的两倍，也就是说霍姆斯塔克本底辐射极为微弱。
The distance fromFermilab to Homestake is twice that to Soudan, and Homestake is alsotwice as deep, which means that background radiation would be extremelylow.
科学测量结果显示，普通美国人每年受到的辐射为620毫仑目，其中一半属于天然本底辐射，而低于100,000毫仑目的辐射完全不需要担心。
By scientific measures, the average American gets 620 millirems of radiation each year, half from background exposure, and that number needs to reach 100,000 to be worrisome.
科学测量结果显示，普通美国人每年受到的辐射为620毫仑目，其中一半属于天然本底辐射，而低于100,000毫仑目的辐射完全不需要担心。
By scientific measures, the average American gets 620 millirems of radiation each year, half from background exposure, and that number needs to reach 100,000 to be worrisome.
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