You should always create a couple of generic images, one JPEG and one GIF, because some devices will accept JPEG images, and some will accept GIF, but not both.

您应该创建两张普通图片，一张是jpeg格式的，另一张是gif格式的。因为有些设备接受jpeg格式的图片，另一些接受gif格式的，而不是两者都接受。

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Most likely, the actual formats will be decided in the marketplace, much as GIF, JPEG, and PNG became the preferred formats for img elements over contenders like BMP, X-Bitmap, and JPEG 2000.

实际使用的格式很可能由市场决定，就像是GIF、JPEG和png格式那样(这些格式通过市场竞争压倒了BMP、X - Bitmap和JPEG 2000等竞争者，成为img元素的首选格式)。

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We would not say JPEG Enhancer is the best JPEG quality fixing tool.

我们不会说的JPEG增强是最好的JPEG质量操纵的工具。

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But as you probably know, a JPEG, a photograph, these are usually multiple megabytes these days which means there's a ridiculous amount of data still on that digital camera.

但是你知道，一个JPEG图片，通常是由几兆字节组成的,也就是说这些数据的大部分,仍然存在于数码相机中。

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But it is in fact indicative of what's actually going on underneath the hood and for a forensic investigator to be honest and even problem set 5, it poses a potential wrinkle if those JPEGs, those photos we took are not contiguous back to back to back but are all over the place.

但是实际上就像那些法医调查员,所做的实质说明,其实对套题5也是如此，如果那些JPEG文件有问题，我们将其数据不能连续的,放回原来的地方，那么图像会呈现出波纹形状。

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