How much time will pass between backup operations?

在备份操作之间应该间隔多长时间？

youdao

Study it and then review it on a different day, and allow as much time to pass between the two study sessions as possible.

学习这篇章节，然后在另一天复习这个内容，让两次学习期间的时间尽可能拉得长一些。

youdao

Study it and then review it on a different day, and allow as much time to pass between the two study sessions as possible.

学习这篇章节，然后在另一天复习这个内容，让两次学习期间的时间尽可能拉得长一些。

youdao