Graphite is a great moderator, slowing down the neutrons and keeping their reaction in the proper temperature range.
石墨是很好的减速剂，减慢中子并且让它们的反应保持在一个适当的温度范围内。
2
These reaction are all within the normal range, and your mind just focus on inside too fine.
这些反应应该说都属于正常范围里的，就是意识往里边集中得太细了一点。
3
Control of this reaction, which arises due to the drastically different carbon solubility of austenite and ferrite, enables a wide range of properties to be achieved through heat treatment.