如果核燃料扩散到空气中，它能不断分解和扩散，导致空气放射性强度大大增强。
If the fuel is exposed to air, it could degrade further and emit dangerous levels of radioactivity.
如果通用原子公司的这个项目能够成功，它就能够提供能部分解决核能问题的方案，例如如何处理大量的放射性核燃料的问题。
The General Atomics program, if successful, could provide a partial solution to one of the biggest problems associated with nuclear energy: figuring out what to do with highly radioactive waste.
因为我们知道放射性碳分解有多快，我们就能计算出有机材料的年龄。
Because we know how fast radiocarbon decays, we can figure out the age of the organic material.
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