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Hope, the German shepherd, can place his front PAWS on a lawn mower's handle and push the machine along like a human operator.

这只名叫霍普的德国牧羊犬可将前爪放在割草机扶手上，像人一样推动机器前进。

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Indeed, if the program really cannot make up its mind whether two shreds match or not, it refers the matter to a human operator.

的确，如果程序在决定两个碎片是否匹配时不能下定决心，就只能把事情交给人类了。

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In lieu of a human operator, the machine is activated using a specially programmed Arduino microcontroller.

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At this point a human operator decides whether the unusual behaviour detected is permissible.

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With the aid of some mathematical finagling this picture can be reduced to a mere three dimensions, for display to a human operator.

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