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斯坦福研究所研制了一台能使盲人阅读普通印刷品的书本一样大小的器件和一台防止可能的失明的激光仪器。盲人阅读器,名叫Optacon,重量小于4磅,用干电池供电,手提式的。它用一只食指大小的“摄影机”扫描书写的材料。摄影
The Stanford Institute has developed a book-sized device that enables blind people to read normal prints and a laser instrument to prevent possible blindness. The blind reader, called the Optacon, weighs less than 4 pounds and is powered by a dry battery. It uses a forefinger-sized “camera” to scan the written material. photography