obtuse angled造句

• 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。