Surface quality: 60-40
BbG=vy8'l |Duf
3u The surface marked R1 is conic surface (aspheric surface) with folowing equation:
6^QSV@N| Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
%) /Bl.{}< =`EVg>+^ The surface marked R2 is conic surface (aspheric surface) with folowing equation:
]N^ >>k Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
mV;)V8' ' JAcN@q~z 还有下面这个图
Z}`A'#! =< .h.n 
1SG^g*mf LTZ~Id-)P 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？
ekPn`U .2f0e[J 下面的小格子里都是什么意思啊
Ksb55cp` \E8CC>Jd 谢谢
