用户可通过简单的键盘、鼠标或者触摸屏操作等处理数据，也可以通过屏幕上的可视化修改来反映数据的变化。
The user can work with data through simple keyboard, mouse or touchscreen actions, but also changes in the data can easily be reflected through visual changes on the screen.
通过点击鼠标按键，滚动滚轮来导航和聚焦窗口和框架，或者完全的通过键盘来操作。
Windows and frames are navigated and focused on any mouse button click, including rolling the wheel, or alternatively driven entirely by the keyboard.
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