这是一台数码相机。它简直就是一个可以储存的媒体，有液晶显示屏和USB接口，功能有储存、画质选择和数字变焦等等。

This is a digital camera. It's actually a storage media, with a LCD display and USB Interfaces, and functions such as storage, tuning, digital zoom.

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对于摄影两个都不是最佳选择，因JPG比无损耗png小得多，也只是最低程序损失一点画质。

Neither are optimal options for photography, as JPG is much smaller than lossless PNG with only minimal loss of quality.

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