锥状细胞在白天和常规日光条件工作，使我们看到光的细节。
The Cones operate during the day and normal daylight conditions and enable us to see in detailed colour .
实验发现，人眼具有把三种锥状细胞的输出相加的特性。
It is found experimentally that the eye behaves as though the ' outputs'of the three types of cones are additive .
锥状细胞