approximation in geometrical opticsgeometrical-optical approximation几何光学: geometrical optics近似: approximate; similar; approa ...几何光学: geometric optics; geometrical optics; geometricaloptics; optics#classical optics; optics, geometrical几何光学场: geometrical optics field几何光学法: geometrical optics approach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:几何光学近似，即可在微信中查询翻译
