这名工作人员累积辐射剂量为0.5毫西弗,远低于法定上限。
The worker 's cumulative radiation exposure was 0.5 millisievert, far below the legal limit.
这是一个巨大的剂量,因为我们每年从氡之类的天然源接收到的辐射平均只有2.4毫西弗茨。
That's a huge dose when you consider that each year we receive an average of 2.4 millisieverts from natural sources such as radon.
国际原子能机构今日证实,核电站的辐射水平确有提高(“的确达到了每小时400毫西弗”)。
The International Atomic Energy Agency (IAEA) confirmed today that elevated radiation (" dose rates up to 400 millisieverts per hour ") had been reported at the plant.
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