They then collected data on the volunteers' educational attainment and asked them to identify facial expressions in a series of photographs.
然后统计他们各自曾受教育的情况，再让他们辨别一系列照片中人物的面部表情，判断他人的情绪。
The robot used this data as an input for its machine learning algorithms and created a map between its facial expressions and the movements of its muscle motors.
该机器人用这些数据作为其机器学习算法的输入数据，产生一个脸部表情和相应肌肉马达运动之间的信息存储分布图。
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