As they mature and age, most men will develop a stronger jaw line or their facial bones will take on more prominence giving them a square or more squared shape. 随着年龄增加变得成熟,多数男人的下颚线更硬朗、或者他们的面骨会更显著。这使他们产生方形或较为方形的脸。
Generation into the optimal threshold AMSE ( asymptotic mean squared error ) provide options for moment estimates order of shape parameter. 代入最优阀值的渐近均方误差为我们提供了形状参数矩估计阶的选择依据。