If you end up with a huge document you might want to use image placeholders to display the document faster.

如果你最后得到很大的文档，那么你也可以用图片占位符来让文档显示得更迅速。

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The algorithm even in the low-end display devices such mobile phones also can clearly see the effect of high dynamic range image, but the main solution is a static picture of the tone mapping problem.

该算法实现了即使在手机这种低动态范围显示设备上也能看到高动态范围图像的显示效果，它主要解决的是静态图片的色调映射问题。

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