最后，是一些幕后的更新，包括：更新了操作系统的触摸响应程序。
Finally, some behind-the-scenes updates made the OS more touch responsive.
从大的说，App Store相对Android Market(从消费者的角度)，从小的看，多点触摸和总体触摸响应速度。
Everything from the big: the App Store versus the Android Market (from the consumer perspective) -to the little: the multi-touch and overall touchscreen responsiveness.
它的两个主按键不是机械的，而是电容触摸传感器。它还有细微的扬声器，每当按击时都会有声音响应。鼠标还有一个滚球使用户能朝任意方向滚动页面。
The two main buttons are not physical, but instead use capacitive touch sensors with a tiny speaker to provide audible feedback for each click.
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