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1·Information on nuclear radius comes from a variety of sources.

关于原子核半径的知识有各种来源。

2·Nuclear blast and wind destroyed buildings within its 1.5-mile radius.

核爆炸和冲击波摧毁了半径1.5英里范围内的建筑物。

3·The NRC has asked states with residents living within a 10-mile radius of a nuclear-power plant to consider potassium iodide, but hasn't ordered states to make the purchases.

美国国家研究理事会已经要求与当地居民生活在一个10英里半径的一个核能厂考虑钾碘化物，但还未下令州，使采购。

4·Nuclear radiation from the plant in mid-March forced the evacuation of communities in a 20-kilometer radius around the facility.

福岛核电厂在今年3月中旬的核辐射外泄事故迫使方圆20公里内的居民撤离。