该分析也将另外两个因素考虑在内了。一个是照片数量，另一个是特定区域内拍摄者的人数。
The analysis takes into account how many photos and by how many authors there are in a given area.
令人震惊的照片，数堆烤薯片、微型面包圈和数桶冰淇淋，它们仅仅表现的是一个小孩一年在英国消费的垃圾食品数量。
This shocking picture, with its piles of oven chips, mini rolls and tubs of icecream, represents just how much junk food one child in the UK consumes in a year.
为了对数量进行精准的估计，研究人员不能只根据照片的数量进行核算，因为相机很有可能是由其他的动物引发传感器而发生的，比如猴子或者豹。
To arrive at a population estimate, the researchers can't just count the number of photographs, because the cameras are triggered by all sorts of things, like monkeys or leopards.
更离奇的是，他的电脑系统和志愿者竟然在同样的图片上犯错误——把照片反过来使大致同样数量的辨认者的表现更加糟糕，不论是电脑还是人。
Moreover, his computer and his volunteers tend to slip up on the same images—and turning photographs on their sides makes poorer animal-recognisers out of both, by roughly the same amount.
不论是Flickr，还是MySpace或者Facebook，你都应该限制群落里的成员数量，并且记住就算这样，照片仍有可能被泄露出去。
Limit the number of people in your online group — whether it's Flickr, MySpace or Facebook — and remember that even then, photos still may leak out.
有一面墙展出的是佩内洛普·昂布里科（Penelope Umbrico）的作品，站在落日前的人（上图），数量庞大的照片占据满满一墙，这是她通过在照片分享网站Flickr上搜索标签为“sunset”的照片而制作出来的。
One wall is given over to Penelope Umbrico's giant array of photographs of people in front of sunsets (above), produced by searching for the tag "sunset" on the photo-sharing site, Flickr.
研究人员只能人工的检查每一张照片，然后经过分析照片上虎皮上的纹理得出正确的数量。因为老虎身上的纹理就像人的指纹一样是独一无二的。
Instead, the researchers examine each snapshot manually and then analyze the tigers' stripe patterns, which, like fingerprints, are unique.
一位叫黄恭情的中国专家说，照片是真是假并不重要，“如果一个物种存在的数量不足100只，它们基本上就无法繁殖。”
Huang Gongqing, a China expert, said that it did not matter whether the photographs were real or not. "If fewer than 100 of the species survive, it is basically impossible for them to reproduce."
一位叫黄恭情的中国专家说，照片是真是假并不重要，“如果一个物种存在的数量不足100只，它们基本上就无法繁殖。”
Huang Gongqing, a China expert, said that it did not matter whether the photographs were real or not. "If fewer than 100 of the species survive, it is basically impossible for them to reproduce."
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