two-lens ocular 双透镜物镜 ; [光] 双透镜目镜
two-lens objective [光] 双透镜物镜
two lens 双透镜
two lens ocular 双透镜目镜
two-lens system 双透镜系统
two-lens reflex camera 双镜头反光照相机
two-lens imaging system 双会聚透镜成像系统
two-lens null corrector 双透镜无光焦度校正板
two-lens focusing system 双透镜聚焦系统
A two-sphere system with a two-lens zero-power corrector placed behind the secondary mirror was discussed.
讨论了双贴合无光焦度校正板放在次镜后的双反射球面系统。
The aberration characteristics of the optical system of a single conic reflector and a two-lens null corrector are discussed.
讨论了由单一二次反射镜和放在其后的两透镜无光焦度校正板组成的光学系统的像差特性。
There are two prismatic lens covers on my aquarium.
我的鱼缸上有两个棱镜盖。
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