回收由于行删除而丢失的空间。

Recapture lost space due to row deletions.

youdao

用于转入、转出或其他大规模的行删除。

Used to roll-in, roll-out or other large-scale deletes of rows.

youdao

前两行删除现有的tap文件，并用另一个FIFO管道代替它。

The first two lines delete the existing tap file and replace it with another FIFO pipe.

youdao

Delete those lines of code and move them up to the top and problem solved.

把这几行代码删除，然后把它们放到,前面去，问题就解决了。

哈佛公开课 - 计算机科学课程节选