radial grating辐: spoke向: direction光栅: raster; optical grating; gra ...径向光栅,圆光栅: radial grating定向光栅: blazed grating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:辐向光栅,即可在微信中查询翻译