The ideal size is about the area of a piece of A4 or US Letter sizedpaper.
理想的尺寸大约是一张A4或者美国信纸那么大。
2
Let’s say, for example, that your heroic paper writing marathon takes around 10 hours (which matches my experience for a mid-sizedpaper written in one stretch).
比方说，你的英勇论文马拉松需时约10小时（根据我的经验，这是中篇论文一稿的时间）。
3
This paper presents a new method in processing waste water caused by the non chemical paper pulp making, which is particularly suitable for small and middle sizedpaper mills.