一些视障用户对某些扭曲的CAPTCHAs难以阅读。
Additionally, some visually impaired users have found certain kinds of distorted CAPTCHAs difficult to read.
本文首先介绍了可达性概念和开展提高残障人士特别是视障用户可达性研究的意义。
In this paper, the conception of accessibility, the significance of studying web accessibility for the handicapped, especially for the impaired were provided.
为了提高国内视障用户上网的可达性，我们从读屏软件的角度进行了一系列关于视障用户上网的调查和研究工作。
In order to learn and to improve the current circumstances of visual impaired users accessing to the Internet, the author did some researching on it from the Angle of screen readers.
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