aperiodic state

例句：

1. 1. The system is aperiodic, meaning it doesn't repeat itself.
   这个系统是无周期的，意味着它不会重复。
2. 2. The data is aperiodic, which means it has no predictable pattern.
   数据是非周期性的，这意味着它没有可预测的模式。
3. 3.The growth rate of the population is aperiodic, indicating that it increases at different rates.
   人口增长率是非周期性的，表明它以不同的速度增加。