optically flat wafer光学: optics; photology; photics平面: plane; two dimensions; flat ...薄片: slice; thin slice; thinsecti ...平面薄片: planar wafer; plane lamina光学平面: optical flats; optically flat surface; optically plane下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:光学平面薄片,即可在微信中查询翻译