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许多老人想用电脑,但苦于难操作,不得不放弃这个念头。而对于失去手功能的残疾人来说,操作电脑更是想都不敢想的事情。现在,美国已经研制出了一种用大脑来操作
Many elderly people want to use computers, but suffer from hard work and have to give up this idea. For the handicapped who lose their hand function, the operation of the computer is even more unimaginable. Now the United States has developed a brain-operated system