个窗口上放置了三个范围构件，都连接到同一个调整对象，并使用上面以及调整对象部分提到的一些调整参数的控制方法，这样你可以看到它们怎样影响这些构件的使用效果。-Window to place the scope of the three components are connected to the adjustment of the same object, and use some of the above mentioned objects, as well as adjust some of the control method to adjust parameters, so you can see how they affect the use of the effect of these components.