研究人员可以观看大图或者放大到特定区域。

Researchers can look at the big picture or zoom in to a particular locale.

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例如，你可以裁剪或者放大你的图片的某一部分，就象我们用线裁取的那样。

For instance, you can trim or enlarge just a portion of your pictures as we've indicated here with these cropping lines.

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一个认真的读者会想要和作者争论，或者放大一个观点，又或者赶紧把由阅读引发的新鲜感想记录下来。

A careful reader wants to argue with the author, or amplify a point, or jot down an insight inspired by something freshly read.

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You cannot just tell the computer to enhance that or can you clean that up and then magically use zoom in not only on the image but also on the reflection of the victim in someone's eyeball.

你不能直接要求计算机增强,这张图片或者修复它,然后期待计算机很神奇地放大图片,以及死者的眼珠的反光。

哈佛公开课 - 计算机科学课程节选