Notice the header facet name is an available option (because of your library definition change previously).
注意报头 facet 名现在就处于可用状态（因为您在前面更改了库定义）。
The application implements faceted searches and calls for a facet named scanning device that shows the name of the device that created the image.
这个应用程序实现面搜索并调用一个名为scanning device的面，该面显示创建图像的设备的名称。
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