来自顾建钧的问题
【英语翻译Ifaparallelbeamoflightfallsonaplanemirroritisreflectedasaparalletbeam,Figure2.5a,andregularreflectionoccure.Mostsurfaces,however,reflectlightirregularlyandtheraysinanincidentparallelbeamarereflectedi】
英语翻译
Ifaparallelbeamoflightfallsonaplanemirroritisreflectedasaparalletbeam,Figure2.5a,andregularreflectionoccure.Mostsurfaces,however,reflectlightirregularlyandtheraysinanincidentparallelbeamarereflectedinmanydirections,Figure2.5b
