地从印刷单元转换到数字单元的PD F文件，就像我上边解释的，仍然保有固定的书页和页码。

A PDF file, which is a 1 to 1 translation of the print unit to a digital unit, as I explained, still has fixed pages and page Numbers.

youdao

通常，硬盘单元来自某家数字影院编码公司，有时候达到上千的数量。

Hard drive units are normally hired from a digital cinema encoding company, sometimes in quantities of thousands.

youdao

就是说第2和第3列中每个单元格的ID的最后一个数字都和为该单元格本身生成的数字相同。

That means the IDs for every cell in columns 2 and 3 end with the same number you generate for the cell itself.

youdao