astigmetic ray是什么意思

网络释义

1)astigmetic ray,象散光束2)astigmatism,象散3)Astigmatism Distribution,象散分布4)Optic Astigmation,光学象散5)Astigmatic technology,象散法6)Aberration,离轴象散

The Measurement of the Astigmatism Distribution or a Progressive Spectacle Lens;

渐变焦眼镜片表面象散分布测量