What I mean by that is the current perspective of the digital textbook is it's an exact copy of the print book.
出自-2013年6月阅读原文
But in the rare chance that there is a micro-organism that can make you sick on the exact spot where the food dropped, you can be fairly sure that the bug is on the food you are about to put in your mouth.
2018年12月四级真题（第三套）阅读 Section B
We repeated this exact procedure after the bacteria had been on the surface for 2, 4, 8 and 24 hours.
2018年12月四级真题（第三套）阅读 Section B
英语六级真题
But the data is exact enough for a clear trend to be easily discernible.
出自-2016年6月阅读原文
Many universities simply refuse to release their exact graduation rates for first-generation students.
出自-2015年12月阅读原文
Major supermarkets, in meeting consumer expectations, will often reject entire crops of perfectly edible fruit and vegetables at the farm because they do not meet exacting marketing standards for their physical characteristics, such as size and appearance.
出自-2013年12月阅读原文
In some cases the quality requirements are so exacting that even if you wanted to have a human do the job, you couldn't.
出自-2012年12月阅读原文
The exact type of stimulation that an individual uses is not as important as being intellectually engaged.
2016年6月六级真题（第二套）听力 Section C
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
精确的;正确的;确切的
Exact means correct in every detail. For example, an exact copy is the same in every detail as the thing it is copied from.
You use exact before a noun to emphasize that you are referring to that particular thing and no other, especially something that has a particular significance.