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有核子反應器 的問題.?
Nov 18th 2013, 08:28

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核子反應器在某功率水準下運轉，其衰變因子k調整成1。假若控制棒通常會使輸出功率降為25%，則現在衰變因子是略小於1；遠小於1；或仍等於1 ?? ((題目來源：大一 普通物理學))...
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