放射镜

例句：

1. 1. The sun'srays are radial in their distribution.
   太阳的光线是径向分布的。
2. 2.The satellite is radial to theEarth's surface.
   卫星位于地球表面附近。
3. 3. The light from the stars isradial in its travel.
   星光在传播过程中是径向的。