全反射镜
/ˈfʊli ɹɪflˈɛktɪŋ ˈmɪɹə/
n
English: fully reflecting mirror · 全反射镜
English · fully reflecting mirrorEspañol · espejo de reflexión totalFrançais · miroir à réflexion totale
释义：Reflects all the light energy toward the partially reflecting mirror. The reflection between the mirrors intensifies the light to form a highly concentrated beam.