A percussion instrument consisting of a metal bar bent in the shape of an open triangle.
由在敞开的三角形结构中弯曲的金属棒组成的打击乐器。
2
Equivalent triangle structure is constructed with hinged bar elements to precisely simulate the effect of wire rope pulley block in the finite element analysis of structure of construction machines.
在工程机械结构有限元分析中，采用铰接杆单元构造等效三角结构，准确的模拟钢绳滑轮组的作用。
3
Starting off from the theory of spherical triangle, an analysis was carried out on the relation between component twist angle of spherical four-bar linkage and circuit of mechanism.