读了斑竹的护肤品文章我也想墨镜有没有个标准比如像防晒膏SPF的那样的?

送交者: HunHunSheng 于 2007-09-04, 10:19:15:

There is a saying that some sunglasses do mor eharm than good because it make users open their eye wider so that more ultraviolet rays come into their eyes

所有跟贴:

物理是你的专业吧，说说光学材料与紫外线的关系 - blackbox (45 bytes) 2007-09-04, 10:27:53 (167616)

加跟贴