重新划分栈空间大小、回收不再被使用的内存、将数据从一处移到另一处等等。

These activities include heap space re-sizing, reclamation of memory no longer used, moving data from one place to another and so on.

youdao

用黑色的回收料塑料栈板与塑胶栈板当做周转，虽然价格相对便宜，但对使用周期性来讲，是不经济的做法。

Recycled plastic material with a black plastic pallets as a turnover, although relatively cheap, but the use of periodic terms, it is not economical.

youdao

用黑色的回收料塑料栈板与塑胶栈板当做周转，虽然价格相对便宜，但对使用周期性来讲，是不经济的做法。

Recycled plastic material with a black plastic pallets as a turnover, although relatively cheap, but the use of periodic terms, it is not economical.

youdao