对于堆芯内布置不同燃耗深度的燃料元件的反应堆，应用本模型可以估算堆芯燃耗物理参数如：堆芯中子增殖系数、燃料元件燃耗增值等。
For reactors loaded with fuel assemblies of different burnup, the evaluation model can te used to calculate core physical parameters such as core neutron multiplication factor, burnup increment, etc.
在那次事故中，有一半核反应堆芯在事故发生后的两小时内便融化了，直到工作人员将误关的应急冷却系统开关重新打开，反应堆芯才停止了融化。
There, half the reactor core melted in the first two hours of the accident. The melting stopped when an operator turned on emergency cooling, which had mistakenly been turned off.
星期四，3号反应堆涡轮系统内的水被监测出含有高辐射水平。这些辐射可能来自这个反应堆的堆芯。
A high level of radiation detected Thursday in water at the No. 3 reactor's turbine building may have come from the reactor core.
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