One of Marie Curie's outstanding achievements was to have understood the need to accumulate intense radioactive sources, not only to treat illness but also to maintain an abundant supply for research.

居里夫人的一项杰出成就是理解了积累强放射源的必要性，这不仅是为了治疗疾病，而且也是为了保持充足的研究供应。

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32 radioactive sources were buried under debris during the quake. So far, 30 have been recovered by authorities, and the other 2 have been located.

32处放射性污染源在地震中被埋于废墟下，至今已找到30处，其余2处也已被定位。

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The two radioactive sources will also be transported to safe areas soon, he said.

这两枚放射源也会被尽快送到安全地带，周表示。

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The Scottish government asked radiation scientists at the HPA late last year to assess the risks to public health from radioactive sources discovered at the beach.

BBC: Dalgety Bay radiation: Particles pose 'low risk' to public

In 2009, Esa funded a pilot project to examine the cost and practicality of establishing a European source of material for Radioactive Power Sources (RPS).

BBC: Nuclear space batteries could boost Sellafield jobs