Substratum,hemi-spherical 5K<C
Flatness L/2 @633 nm on flat surface or better(specify). GAKJc\o
Figure irregularity L/10@633nm. nt6"}vO
no chips exceeding A\Gw+l<h,
Thickness specified at the edge, all types. N5DS-gv
Substratum BK7 D20×5 PCX f+ 300 mm NBX/V^
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!