阅读理论的研究主要经历了自下而上阅读模式，自上而下模式，交互阅读模式以及图式理论。

There are studies of bottom-up models, top-down models, the interactive model, and schemata theory in reading experienced.

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主要是交互，还是阅读？

Are you largely interacting, or are you largely reading?

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基本上，您应该启动键盘交互并尝试让屏幕阅读器知道小部件是什么以及它的当前状态和属性。

Basically, you should enable keyboard interaction and try to "tell" screen readers what the widget is and what its current states and attributes are.

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