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。
距，使集中在点
，使集中在一点；
，调距，限制于小区域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
品
圣经中最具有代表性的一页中的一句话，投射到一面墙
。
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