Substratum,hemi-spherical 0]|`*f&p;
Flatness L/2 @633 nm on flat surface or better(specify). _M%S
Figure irregularity L/10@633nm. k56Qas+3=
no chips exceeding PlzM`g$A
Thickness specified at the edge, all types. q>2bkc GY#
Substratum BK7 D20×5 PCX f+ 300 mm hTX[W%K
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!