In this paper,a method of mobile robot navigation is introduced based on blind man tracing wall,insect exploring thing and the force characteristic of object contacting.

Introduced a blind lane to exhaust the in common use method and regulation of the gas,exhaust gas a personnel to have value of draw lessons from towards attend.

Taking blind alley gas as the main research object, this paper expounds the distribution laws of blind alley gas, and probes into the methods for the gas emission and some matters needing attention.

Investigation and Intervention: Self-Esteem of the Blind Adolescences;

That blind people cannot read newspapers and books as normal people do severely limited the ability of acquiring information and knowledge.

Bi Feiyu\'s novel Massage creates a group of blind massager images with a high degree of dignity,which has great significance in the theme of literature.

METHODS We statistically analyze the primary causes of the blindness in the 704 new blind from 2002-2005 in Huangpu District of Shanghai.

Ultrasonic sensors are optimal to the guidance system for the blind.

This article explains the development of digital libraries for the blind in the world by introducing some papers coming from the main countries in the world,and at the same time looks forward to the future of the digital libraries for the blind in our country.