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Dogs may possess the ability to recognise facial features from photographs - a skill previously thought to be exclusive to humans and some primates. 狗狗可能拥有从照片识别面部特征的能力——这项技能原本被认为只属于人类和某些灵长类动物。 A study by researchers at the University of Helsinki in Finland used eye movement tracking to see if they look at familiar and strange faces differently. 芬兰赫尔辛基大学的研究人员通过眼部活动追踪来判别狗狗们对于熟悉人脸和陌生人脸的观察是否一样。 Their eye movements were measured while they watched images of familiar humans faces and dogs being displayed on the computer screen, as well images from dogs and humans that the canines had never met. 当狗狗们在电脑屏幕前观察熟悉人类，其他从未见过的小狗和陌生人类照片时，他们的眼睛动作被记录下来， | 
