aperiodical coil

例句：

1. 1.The magazine is a periodical that publishes articles on various topics.
   这本杂志是一本定期出版的关于各种主题的文章集。
2. 2.The book is an aperiodical that contains information about history.
   这本书是一本包含有关历史信息的资料汇编。
3. 3. The newspaper is an aperiodical that provides news and current events.
   报纸是一份提供新闻和时事的定期出版物。