魔数这个词在不同领域代表不同的含义。在计算机领域，魔数有两个含义，一指用来判断文件类型的魔数；二指程序代码中的魔数，也称魔法值。
本例中，512 被称为魔数，它的意义在上下文中没有体现出来。
In this example, 512 is known as a magic number , one whose significance is not evident within the context of its use.
观察到了此类激光器的锁频状态，其绕数按照法瑞树的规则组成魔梯。
Frequency-locked states with their winding numbers which form the devil's staircase are observed in this kind of lasers.
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