1.an obtuse angle
2.Conjugate fractures have an acute angle to σ_1,while conjugate deformation zones with an obtuse angle to it.
共轭断裂面对σ1一侧为锐(一般小于60°),而共轭变形带面对σ1一侧为(一般为110°)。收藏指正
3.a triangle that contains an obtuse interior angle.
一个的三形。收藏指正
尝试查询