cone bipolars

例句：

1. 1. The cone bipolars are used in the study of optics.
   圆锥形双极体在光学研究中被使用。
2. 2. The cone bipolars are responsible for transmitting light through the eye.
   圆锥形双极体负责通过眼睛传输光线。
3. 3. The cone bipolars are an important part of the human visual system.
   圆锥形双极体是人类视觉系统的重要组成部分。