In an attempt to solve this problem Newton made a detailed study of light, using a triangular glass prism for the purpose.
为了解决这个问题，牛顿对光进行仔细的研究，使用三角形玻璃棱镜，以达到这个目的。
There are six orthographic views. Please imagine the different posture of triangular prism in space.
下面有六个三视图，请你想象一下各三视图中三棱柱在空间的姿态。
Experiments were performed in horizontal and vertical conduits with diameter of 50 mm respectively, adopting air and water as flow media and a triangular prism as the vortex-forming body.
以空气和水为介质，以三角柱为旋涡发生体，在内径为50mm的水平管和垂直上升管中分别进行实验，分析雷诺数和体积含气率对气液两相流涡街稳定性的影响。
Draw the triangular prism and get points on the surface.
画三棱柱及表面上各点的三视图。
Draw the triangular prism and get points on the surface.
画三棱柱及表面上各点的三视图。
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