pony truss的用法和樣例：
例句
- The correctness and validity of this method were made clear by the mechanism synthesis of the octahedron variable geometry truss.
八面體變幾何桁架機構綜合實(shí)例表明了該方法的正確性與有效性。 - For a complanate parallel chords truss, the axial forces of a member can be solved by the shear-diagram and two simple expressions.
借助與桁架對應的梁的剪力圖和彎矩圖根據兩個(gè)關(guān)系式可直接求出一般平面平行弦桁架任一根桿件的軸力。
