Surface quality: 60-40
g4 <w6eB m/sAYF" The surface marked R1 is conic surface (aspheric surface) with folowing equation:
Q_'3}:4 Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
L2 [|g~ 0jO]+B I1 The surface marked R2 is conic surface (aspheric surface) with folowing equation:
Mt)`h R+2 Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
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u.aN 4A:@+n%3m 还有下面这个图
MNNP BE A,rgN;5fb 
M@S6V7 ]?tsYXU j 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？
]%m 0PU# I~EQuQ >= 下面的小格子里都是什么意思啊
LbDhP G`u y \b.0-z 谢谢
