UID:269064
UID:146922
dhf19822:宽光束是从某一视场,然后经过全光阑的光线束 txnH~;( 细光束是从某一视场,围绕主光线附近的光线束(2014-02-05 23:06)嬀/color] &u[F)|
UID:297496
dhf19822:宽光束是从某一视场,然后经过全光阑的光线束 M6]:^;p' 细光束是从某一视场,围绕主光线附近的光线束(2014-02-05 23:06)嬀/color] /k\)q