PNG is normally a good choice for color images where you don't want accumulating loss to affect the quality of the image after a series of manipulations.

如果您不希望在一系列操作之后产生的累积损失会影响到彩色图像的图像品质，通常png是个不错的选择。

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Making a bitmap bigger or smaller results in loss of image quality.

放大或者缩小一幅位图，将会损失掉图像的质量。

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Therefore, the restore will be according to the backup timestamp to ensure the latest backup image is restored in order to minimize the loss of data.

因此，恢复要基于备份时间戳以确保能够恢复最后的备份映像，这样，就可以最小化数据丢失。

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In such situations, even a slight loss in image quality could have serious consequences.

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"Revenue loss and image damage is a concern, " said Benny Ng, an operations manager for the chain.

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The ISO 3, 200 should obviously be kept to extreme situations, with a significant loss of image detail, but the shots were better than no shot at all, which is the general point.

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