Surface quality: 60-40
!0^4D=dO hQ>$ "0K
The surface marked R1 is conic surface (aspheric surface) with folowing equation:
[ -Z 6Q zT Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
E9k%:&]vd [ Cd#<Te3 The surface marked R2 is conic surface (aspheric surface) with folowing equation:
m!zv t
Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
[qxpu{ Q,9KLi3 还有下面这个图
Uf_mwEE C% z9Q 
rc:UG "[ :9 &@/{W 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？
i:N-Q)<Q*) ,h%n5R$: 下面的小格子里都是什么意思啊
?mV2| ; -mO<(wfV> 谢谢
