它永远不会完全因为裆缝形状扁平的，所以我设计了一个在顶部弹性打开袋子，以便它不会成为一个问题。
It will never be entirely flat because of the shape of the crotch seam, so I designed a bag with an elastic opening at the top so it wouldn't be a problem.
是成束的裆下的模式，但只要你在一条直线上削减这种优势也不要紧，因为最终仍会有弹性。
The crotch is bunched up under the pattern, but as long as you cut that edge in a straight line it doesn't matter because there will eventually be elastic there.
在服装三维造型研究中，与服装关键尺寸相对应的人体尺寸除肩宽与上裆外，可以由人体数学模型估计得到。
In the construction of 3-d garments, the key dimensions of garment panels can be predicated from this mathematical model except for the measurements of shoulder width and upper crotch.
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