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所谓信息无障碍,是指让所有人(包括残障人士、老人和儿童)在任何环境中能够平等、方便地获取和利用信息。信息无障碍的概念主要包括两个范畴:一是电子和信息技术无障碍,二是网络无障碍。前者指电子和信息技术相关软硬件本身的无障碍设计以及辅助产品和技术,后者包括网页内容无障碍、网络应用无障碍以及它们与辅助产品和技术的兼容。推动信息无障碍的目的是使电子、信息技术和网络对尽可能多的人而言更加可用和易用,在我们的社会建立信息流通无障碍的环境。信息无障碍环境的建立对干信息社会而言至关重要,主要体现在下面四个方面:
The so-called information accessibility means that everyone (including people with disabilities, the elderly and children) can access and use information equally and easily in any environment. The concept of accessibility includes two main areas: one is accessibility for electronic and information technologies and the other is accessibility for the web. The former refers to the barrier-free design of electronic and information technology-related hardware and software as well as supporting products and technologies, which include accessibility of web content, accessibility of web applications and their compatibility with supporting products and technologies. The goal of promoting access to information is to make electronic, information technology and networks more accessible and accessible to as many people as possible, and to create an environment in which our information is accessible and accessible. The establishment of an accessible environment for information is crucial for a dry information society and is mainly reflected in the following four aspects: