每部分编撰成书，这次出版的是唐纳德.瓦格纳的512页厚的炼铁术，本系列的第24本书。
Each part is a book, in this case a 512-page tome on ferrous metallurgy by Donald B. Wagner, the 24th book in the series.
等到了第8次(如果你能达到)，你会得到一坨1.25 mm长，但有12.8 mm那么厚的纸。
By the 8th fold (if you can get there), you have a blob of paper 1.25 mm long, but 12.8 mm thick.
第8层古土壤特殊的厚层淀积代表了气候的多次变化和多个成壤期。
The thick illuvial horizon in the 8th paleosol layer indicates the repeated soil-forming processes and climate changes.
应用推荐