Substratum,hemi-spherical {89F*
Flatness L/2 @633 nm on flat surface or better(specify). #\G{2\R
Figure irregularity L/10@633nm. Aw)='&;^z
no chips exceeding =GpO}t">
Thickness specified at the edge, all types. }bG|(Wp9
Substratum BK7 D20×5 PCX f+ 300 mm @Z.s:FV[
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!