We've assumed that multi-level page tables only have two levels: a pagedirectory and then pieces of the page table.
A piece of 后面只能加不可数名词，为什么pieces of 后可以加可数名词page table （页表）？
请教各位老师！
We've assumed that multi-level page tables only have two levels: a page directory and then pieces of the page table.
the page table 仍然是可数名词。这里加了定冠词，特指那一张页面表格。这里，pieces 指这张表格的几个组成部分，不是“数张；几张”。
