internal conical refraction

例句：

1. 1. The internal conical refraction of the lens is crucial for image formation.
   透镜的内锥折射对于成像至关重要。
2. 2. In the study of light, we need to consider the internal conical refraction of light.
   在研究光时，我们需要考虑到光的内部锥折射。
3. 3. The internal conical refraction of the lens affects the focus of the image.
   透镜的内锥折射影响了图像的聚焦。