慢化长度 slowing down distance
均方慢化长度 mean square slowing down length
慢化剂温度系数 moderator temperature coefficient
可变慢化剂高度 varying moderator height
慢化剂密度系数 moderator density coefficient
慢化剂密度反馈 moderator density feedback
慢化剂密度反应性系数 moderator density reactivity coefficient
慢化剂温度下降 moderator temperature lowering
慢化剂密度起伏 moderator density fluctuations
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