星期一,一列装载着核弹级铀材料的专列到达了一处俄罗斯的安全设施。这些核材料来自波兰的一个研究用的反应堆,运送它们,是为了确保世界各地的危险的放射性物质安全的努力的一部分。
A shipment of bomb-grade uranium arrived at a secure facility in Russia on Monday, sent from a research reactor in Poland as part of a race to secure dangerous radioactive material around the world.
为了保证中国先进研究堆(CARR)的设计在安全上达到当代核安全水平,在技术上达到世界先进水平,建立了一套适用于CARR工程设计的标准体系。
A set of criterion system was set up for the design of CARR, to insure that the design satisfies the present requirements on the nuclear safety level and adopts the world advanced technology.
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