移动“中间调图层”至图层窗口的顶部并确定你选中了该图层。

Move the "halftone layer" to the top of the layers window and make sure you have that layer selected.

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在图层窗口中，拖动这一层几乎到列表的底部，因此它不包括任何其他层。

In the layers window, drag this layer almost to the bottom of the list, so it doesn't cover up any other layers.

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默认情况下，工具栏，图层管理器，浏览窗口，操作日志在主窗口中的，但你可以释放他们或隐藏他们。

By default, the toolbar, Layer Manager, Navigate window, and Operations Log are docked in the Main window, but you can undock them or hide them.

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