aperiodic automorphism

例句：

1. 1. The periodic table of elements is a useful tool for understanding the properties of different elements.
   元素周期表是理解不同元素性质的一种有用工具。
2. 2.The researcher found that the aperiodic nature of the phenomenon made it difficult to predict its future behavior.
   研究人员发现，这一现象的无周期性使得预测其未来行为变得困难。
3. 3. The aperiodic nature of the problem means that there is no single solution that works for all cases.
   问题的无周期性意味着没有一种解决方案适用于所有情况。