The oldest fuel in the middle to keep the power peaks down and recycled fuel in sort of, the middle ring to levelize the power distribution.
最旧的燃料在中间，是用来保持能量的,顶峰不至太高，并回收燃料，在中环的，用来控制功率分布。
2
Figure 1 shows a typical normal probability density function, so called because most observations fall into this sort of distribution.
图1显示了一个典型的正态概率分布函数，这样命名是因为绝大多数值都属于这个分布范围内。
3
When faced with this idea, the temptation is to assume that you need some sort of distribution or replication mechanism that will copy the key/value pairs between the machines.