一种面部检测系统可对人的“快乐”或“恐惧”程度作出判断。
One facial detection system can judge a person's "happiness" or "fear" level.
如今，一种被称作面部检测的类似技术正在进入一个新的领域：广告业。
Now, a similar technology, known as facial detection, is entering a new field: the business of advertising.
美国科学家的一项最新研究显示，使鲨鱼具有第六感并让它们能够检测电流信号的基因对人类头部和面部特征的发育也起著重要作用。
The same genes that give sharks their sixth sense and allow them to detect electrical signals are also responsible for the development of head and facial features in humans, a new study suggests.
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