That's because we knew theoretically that there was another way of arranging fibers in a hydrostatic skeleton, and that was with fibers at zero degrees and 90 degrees to the long axis of the structure.
因为我们知道在另外一个 在理论上 铃静力骨架的纤维排列方式 那就是纤维在结构的长轴上 以0度和90度交叉排列