obtuse angle meaning in English

钝角，大于90度而小于180度的角

Use the vector dot product to find the obtuse angle between two diagonals of a cube .
用矢量点积求立方体的两条对角线所夹的钝角。
two opposite corners of this rhomb contain three obtuse angles of 101°55'.
菱面体的两个对顶包含着三个10155'的钝角。
Above the skin surface , obtuse angle
表皮上方钝角
The nano - sized caco3 particles were well dispersed in the pvc matrix , the sharp angles that formed when the pvc molecular chains stressed have an tendency to be changed to the obtuse angles . therefore , the stress concentration could be $
纳米caco _ 3粒子在pvc基体中的良好分散，可以使pvc分子链在受力过程中形成的锐角钝化，从而避免应力集中、弥补缺陷，起到增韧增强pvc的作用。