Surface quality: 60-40
fYBmW') ~dg7c{o5 The surface marked R1 is conic surface (aspheric surface) with folowing equation:
EBc_RpC/Z Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
]c4?-Vq%u 7 .`Fe g. The surface marked R2 is conic surface (aspheric surface) with folowing equation:
B&3oo Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
`7 [z% cuK tJ;< =.n 还有下面这个图
.SzP ig pUi|&F K"> 
(e.?). e c6 VfFt6p 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？
;/ l$&: e) "] H* 下面的小格子里都是什么意思啊
kK\G+{z? 6aRPm% 谢谢
