Surface quality: 60-40
LU=)\U@Q tUnVdh6L.B The surface marked R1 is conic surface (aspheric surface) with folowing equation:
s: .XF|e{ Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
YR`rg;n# M?CMN.Dw The surface marked R2 is conic surface (aspheric surface) with folowing equation:
_
q1|\E%`h Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
_ o3}Ly} QAw,X Z.K^ 还有下面这个图
*g}&&$b0 CzbNG^+ 
M)RQIl5 -w0>4JDs 里面的半径
公差给了，但是咱们国家
标准一般使用
光圈来表示，如何换算呢？
O/~^}8TLL =&xoyF 下面的小格子里都是什么意思啊
`a9>4 vG} oo 谢谢
