Surface quality: 60-40
S y <E@1 YT!iI The surface marked R1 is conic surface (aspheric surface) with folowing equation:
98 R/ ^\ Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
153*b^iDBh IrCl\HQN The surface marked R2 is conic surface (aspheric surface) with folowing equation:
bS8$[7OhX Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
Ry X11XU ==?wG!v2 h 还有下面这个图
Q3l>xh >x6\A7 
k8st XW-w >ph=?M KD 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？
yxu7YGp% }|Q \@3& 下面的小格子里都是什么意思啊
B^TgEr x'}z NEXI 谢谢
