正像望远镜 terrestrial telescope ; erecting telescoope ; erect image telescope

正像透镜 erector lens ; erecting prism ; [光] erecting lens ; lens

正像目镜 erecting eyepicece ; erecting eypeice ; terrestrial eyepiece ; erecting

正交镜像滤波器组 QMF ; Quadrature Mirror Filter ; QMFB ; Quadrature mirror filter bank tree

透镜正像望远镜 lens-errecting telescope

透镜正像 lens errecting

正像远镜 terrestrial telescope

像场校正镜 field corrector