Last year, Google announced WebP, a new image compression format meant to reduce the size of JPEG images.

Google去年发布了WebP这种新的图像压缩格式，意在减少JPEG图像的大小。

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With 'destructive' algorithms, the net compression of file size is even more impressive, but the displayed image is of lower quality.

在‘毁灭性’算法下，净压缩文件大小更加令人印象深刻，但是显示图像的质量却很低。

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Some graphic software programs allow you to set the compression rate to control the quality of the image (and file size) at the time you save it.

有的图像软件程序允许你设置压缩率，在你保存图像的时候，能够控制图像的质量（和文件的大小）。

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