自从有了个人电脑 ,就出现了电子图书 ,现在人们已可以买到从软盘到光盘的各类电子读物。然而当人们在电脑屏幕上阅读这些电子读物时 ,感觉并不好。对此进行研究的专家认为 ,问题是出在电脑使用者的眼睛——确切地说是在脑上。美国麻省理工学院的研究者相信 ,大脑对印在纸上的 Since the introduction of personal computers, e-books have appeared, and people now have access to a wide range of electronic books, from floppy disks to compact discs. However, when people read these electronic books on the computer screen, the feeling is not good. The experts who research it think the problem is with the eyes of computer users - specifically, the brain. Researchers at the Massachusetts Institute of Technology believe that the brain is printed on paper