It is important to link alternative branches to alternative input and output criteria.

将可选分支与可选输入和输出链接起来，这是十分重要的。

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Figure 36 shows a Global Task that provides alternative input and output interfaces for reuse.

图36显示了一个全局任务，它提供可选的输入和输出接口以便重用。

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Mobility-impaired individuals for whom alternative input devices, such as eye-tracking or verbal, are necessary.

行动不便的用户 —— 对于这类个体，必须提供其他的输入设备，例如眼球追踪技术（eye-tracking）和通过口述方式输入。

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Now, before we get too far ahead of ourselves, let's be clear: in its current stage, the system is cumbersome and aimed at those with disabilities, but Samsung's already proven that it's interested in alternative input methods, and this could certainly be the logical conclusion.

ENGADGET

In its early days, pen input held promise as an alternative for those who couldn't type.

ENGADGET: Switched On: Time to write off pen computing

Only by actively soliciting input from wide-ranging sources can we develop alternative solutions that have higher value.

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