series of equal interval

例句：

1. 1.The series of events led to the decision to cancel the meeting.
   一系列事件导致决定取消会议。
2. 2.He has a series of questions for you.
   他给你一系列问题。
3. 3. The series of books covers various topics from history to science.
   这一系列书籍涵盖了从历史到科学的多个主题。