Traditionally, computer face recognition is based on such factors as the characteristics of the eye region, the shape of the nose, or the width of the mouth.

传统上，用计算机进行人脸识别是基于局部区域的特征例如眼睛、鼻子的形状，或者嘴巴宽度等。

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The output of this method is positions of eyes, position of nose tip and width of nose, position of mouth and width of mouth, and position of chin.

算法最后的输出为人眼的位置、鼻端的位置及鼻宽、嘴的位置及嘴宽和下颌的垂直位置。

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In the 4th stage larvae, the length of mouth cavity of A. duodenale is almost equivalent to its width, but that of N. americanus is shorter.

十二指肠钩虫第4期幼虫口腔的长宽几乎相等，但美洲钩虫宽大于长。

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