我增加了打印到标准输出的语句，但是为什么不采用一个更加成熟的日志机制来记录文件上载的时间和地点？
I added statements to print to standard out, but why not use a more sophisticated logging mechanism to keep track of which files have been uploaded and when?
除了标准照片文件中包括的大量信息之外，一项新技术的运用甚至可以找到照片拍摄地点的详细信息。
Beyond the stacks of info contained within standard picture files, a new breed of applications can pile on even more detailed signals about where a photo was taken.
比如学名为“Temnothorax albipennis”的蚂蚁能够通过多重标准来评估一个潜在的蚁巢地点的安全度。
Temnothorax albipennis, for example, can rate the quality of a potential nest site using multiple criteria.
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