For X-ray source with a certain spectral width, the source with minimum spectral width as possible to get the high resolution images with rich information should be selected.
对于具有一定谱宽的X射线源，应选择谱宽尽量小的源，以获得含信息量丰富、分辨率高的图像。
For X-ray source with a certain spectral width, the source with minimum spectral width as possible to get the high resolution images with rich information should be selected.
对于具有一定谱宽的X射线源，应选择谱宽尽量小的源，以获得含信息量丰富、分辨率高的图像。
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