辅助选项支持的两大重要功能就是屏幕读取器和屏幕放大镜。
Two of the most important features of accessibility support are screen readers and magnifiers.
屏幕读取器读取替换文字，而图像只占用一个像素的空间。
Screen readers read the alternate text aloud, and the image occupies only one pixel space.
屏幕读取器会读出替换文字，但图像不会打扰该页的可视化流。
Screen readers read the alternate text aloud but the image does not disturb the visual flow of the page.
默认情况下，此属性设置为“跳过导航链接”，让屏幕读取器跳过控件。
The property is set to "Skip Navigation Links" by default, which makes screen readers skip the control.
获取或设置屏幕读取器所读取的隐藏图像的替换文字，以提供跳过链接列表的功能。
The alternate text of a hidden image read by screen readers to provide the ability to skip the list of links.
在每次访问网页和每次回发时，屏幕读取器和其他辅助设备都会朗读导航控件中的文字。
Screen readers and other assistive devices read aloud the text in a navigation control during every visit to a page and on every postback.
有时候因为一些原因，比如使用屏幕读取器、带宽较低、网络阻碍等导致网页上的图片无法显示。
Sometimes, for some reason, such as using a screen reader, low bandwidth, the network as a result of obstruction can not be displayed on the page image.
“讲述人”为视觉有障碍的用户提供最基本的使用功能。在日常使用中，视觉有障碍的用户需要功能更强的屏幕读取器工具。
Narrator is intended to provide a minimum level of functionality for blind users. Blind users will need a screen reader utility program with higher functionality for daily use.
屏幕读取器允许用户通过创建界面的off-screen表示，并将其传送到一个语音合成器或盲文终端来与 GUI进行交互。
Screen readers allow users to interact with a GUI by creating an off-screen representation of the interface and passing this to a speech synthesizer or a Braille terminal.
请确保已为图形用户界面(GUI)中的所有控件都分配了名称，这样辅助功能工具(如屏幕读取器)才能引用已进行本地化的每个控件。
Make sure that you have assigned a name to all controls in the graphical user interface (GUI) so that accessibility tools such as screen readers can refer to each control in a localized manner.
请确保已为图形用户界面(GUI)中的所有控件都分配了名称，这样辅助功能工具(如屏幕读取器)才能引用已进行本地化的每个控件。
Make sure that you have assigned a name to all controls in the graphical user interface (GUI) so that accessibility tools such as screen readers can refer to each control in a localized manner.
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