他们表示，这一点表明狗不是从某个单一的特征来感知情绪，而是像人类一样，将所有面部特征信息整合到一起。
They suggest this indicates that dogs aren't sensing emotions from a single feature, but piecing together information from all facial features just as humans do.
该应用程序表示一个单一概念：单击一个链接来显示时间。
The application represents a single concept: click a link to show the time.
没有任何单一视图能够表示整个体系结构。
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