1809年的今天，盲文系统的发明者路易·布莱尔在法国出生。
1809 - Louis Braille, inventor of a reading system for the blind, was born in France.
多功能盲文机是一种帮助盲人获取并处理汉语布莱尔盲字的电子辅助装置。
An electronic assistant device has been developed that helps the blind to access to chinese words.
多功能盲文机是一种帮助盲人获取并处理汉语布莱尔盲字的电子辅助装置。
An electronic assistant device has been developed that helps the blind to access to chinese words.
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