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如果用一台小如辞典的电脑便可读到世界各地图书馆里的书籍,浏览当天出版的报纸,收看电视节目,你会感到奇怪吗?如果你坐在家中就能漫步在深山老林,徜徉在西子湖畔,跋涉在南极冰原,甚至做太空旅行,你会相信吗?这已不是幻想,这已开始变成现实。随着电子技术的飞速发展,人的视觉、听觉甚至触觉、嗅觉和味觉信号都可以或将可以利用电
Would you find it strange to read books in libraries around the world, browse the newspapers published on the day, and watch TV on a small, dictionary-like computer? If you sit in your home you can walk in the middle of nowhere, At West Lake, trekking in the Antarctic ice sheet, or even doing space travel, would you believe it? This is no illusion, it has begun to become a reality. With the rapid development of electronic technology, people’s vision, hearing and even touch, smell and taste signals can or will be able to use electricity