轴线

1. 多向色性当沿不同的轴线观察时，某些晶体显示出不同的色彩，尤指三种不同色彩的性质
   The property possessed by some crystals of exhibiting different colors, especially three different colors, when viewed along different axes.
2. 移动从中间位置或轴线向外或向后的振荡或依次的运动
   A movement from and back to a mean position or axis in an oscillating or alternating motion.
3. 圆的轴线是其直径。
   The axis of a circle is its diameter.
4. 在计算机制图技术中，显示图象的全部或一部分对显示面所在平面中某个轴线翻转180度的处理方法。
   In computer graphics, turning all or part of a display image180 degrees about an axis in the plane of the display surface.

轴的英语翻译：

线的英语翻译：