optical flat是什么意思

用法例句

Study on the sub-aperture stitching interferometry for large plano-optics;

大口径光学平面的子孔径拼接检验研究

Rezearch progress of transparent adhesive for optical appliance;

光学用透明胶粘剂的研究进展

Application of Shellac Resin in Fabricating Optical Polishing Pills;

紫胶树脂在加工光学抛光片中的应用

Research on method of optical imaging in medicine;

医用光学成像方法研究综述