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。
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.
柏拉图叙述了“黄金比例”，认为完美脸部的宽度是长度的三分之二，鼻子不能比两眼之间的距离长。
Plato wrote of the "golden proportions," which dubbed the width of an ideal face an exact two thirds its length, a nose no longer than the distance between the eyes.
其需要的因素包括嘴唇的厚度，鼻子的长度和宽度，以及发际线。
It takes into account factors including the thickness of the lips, nose length and width, and hairline.
炮口是笨重，只有轻微减少，宽度从根到鼻子。
The muzzle is bulky, only slight diminishing in width from root to nose.
炮口是笨重，只有轻微减少，宽度从根到鼻子。
The muzzle is bulky, only slight diminishing in width from root to nose.
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