For example, Google Earth does not always respond in a useful way to key-down events regardless of the repeat rate and speed.

例如，Google Earth并不始终以有效的方式响应按键事件，无论重复率和速度如何。

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Keyboard Indicates user preferences for keyboard Settings, such as the key down repeat rate and delay.

指示键盘设置的用户首选项，例如，按下键的重复速率和延迟时间。

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