The square regulation graded index fiber is considered to have fairly good dispersion property because the near axle meridian light in the fiber may focalize automatically.

本文首先推导出平方律渐变光纤中,近轴子午光线的轨迹方程。

In my display, I focalize the light cast by the equipment on the sentence in the most representative page of the Bible and project it onto a wall.

我的装置作圣经中最具有代表性的页中的句话，投射到面墙上。