axial homology

例句：

1. 1. The machine is designed to be axial.
   这台机器是轴向设计的。
2. 2. The axis of the planet revolves around the sun.
   行星的轴心围绕太阳旋转。
3. 3. The axis of symmetry is at right angles to the plane of symmetry.
   对称轴与对称平面成直角。