同时，他们分析了15项包括眼睛、鼻子、嘴和耳朵等可以反映面部“标志”的部位，进而比较参与者的面部对称性。

Meanwhile they analyzed 15 facial "landmarks", including the positions of the eyes, nose, mouth and ears, and were able to compare the facial symmetry of participants.

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他们研究了15个面部特征，包括眼睛，鼻子，嘴和耳朵的位置，以期对比受测人员的面部对称度。

They analysed 15 facial 'landmarks', including the positions of the eyes, nose, mouth and ears, and were able to compare the facial symmetry of participants.

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熊走过来，闻闻这个人的头，又把鼻子凑近他的嘴和耳朵。

The bear came up and sniffed at the man’s head.It put its nose close to his mouth and ears.

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