地球内部因放射而产生的热量为板块运动、大陆漂移、造山运动和地震提供了能量。
Earth's internal heat, fueled by radioactivity, provides the energy for plate tectonics and continental drift, mountain building, and earthquakes.
因为内核失去在其形成时捕捉的热能，而且是通过内核里的放射性元素产生的热能，所以地球正渐渐冷却下来。
The Earth is growing cooler as it loses the heat trapped in its creation and generated by radioactive elements within it.
核工业所面临的最大问题之一就是如何处理所产生的放射性废料。
One of the biggest problems the nuclear industry faces is what to do with the radioactive waste it produces.
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