前下胸围&前腰部分：这部分没有明显的凸点，呈带状分布，位置模糊，实验研究了该部分省量分布规则。
The front lower bust - front waist part does not have obvious salient point , so I have has research on the dart distribution of 2D pattern . The front waist dart is divided into two parts .
下胸围