When a woman is in labour, her cervix opens up to allow the baby to be born.当妇女分娩时, 子宫颈张开让婴儿生出来.The cervix is the flexib 1 e region between the head and prothorax.颈是头部和前胸之间可曲的区域.Here is a normal cervix with a smooth, gli...
在这些图片中面法线显示为青色.In these images the face normals are drawn cyan.翻转法线 - 改变选择面的法线方向.Flip Normals - Change the Normal directions of the selected faces.三角星形线的两条互相垂直的法线的交点在哪里?Construct two mutually orthogonal tangents of the d...
The private sector, by contrast, has plenty of money to spend.相比之下，私营部门就有很多钱可供开销。Hungary, by contrast, reacted calmly to events in Yugoslavia.相比之下,匈牙利对南斯拉夫发生的一系列事件反应平静.By contrast, the comparable figure for the Netherlan...