1·For assistive technology to identify the element on the HTML page, the id should be unique, or there will be confusion about which element is the correct one.
对于用来识别HTML页面上的元素的辅助技术来说，ID应该是惟一的，否则就会产生混乱，无法确定哪一个才是正确的元素。
2·Each step has some related assistive tools.
每一步都有相关的辅助工具。
3·As stated above, the browser has to interpret the additional role and state information and provide it to the assistive technology via the accessibility API.
正如上面指出的，浏览器必须解释额外的角色和状态信息，并通过可访问性api将其提供给辅助技术。
4·Today, a significant aspect of accessibility is interoperability with assistive technology, and therefore, conformance with established standards.
现在，易访问性的一个重要方面是与辅助技术的互通性，且因此，与已建立的标准一致。
5·With the help of modern assistive technologies, these people are able to interact with a software application, but only if the application is developed in full compliance with accessibility standards.
在现代辅助技术的帮助下，这些人将能够与软件应用程序交互，但前提是这些应用程序能全面兼容可访问性标准。