数据比较：您可以在使用叠加功能的同时滚动、放大图像和设置焦点。
Data compare: You can simultaneously scroll, enlarge the images and set focus while using the overlay functionality.
当提供了鼠标悬停提示时，可以按 F2 将焦点设置到帮助框中，并在信息中滚动。
When hover help is provided, you may press F2 to give focus to the help box and scroll through the information.
JScrollPane组件甚至随预注册的侦听器一起提供，所以当这个组件获得焦点且用户移动鼠标滚轮时窗格将会滚动。
The JScrollPane component even comes with a pre-registered listener, so the pane will scroll when it has focus and the user moves the wheel.
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