对于文档项,我们只对图像类型的文档感兴趣。
For document entries, we are interested in documents of image type.
元素的type属性可以指出文档项是否对应于图像类型。
The type attribute of the element can tell whether the document entry corresponds to image type.
supported Images设备支持的图像类型列表。
SupportedImages a list of image types that the device supports.
So this is the same kind of picture we drew last time.
这和上一讲的图像是一个类型的
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