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- optical primary mirror 光学主镜
- Step 2: Aim the eyepiece at the center of the primary mirror. 把目镜中轴调整到主镜的中央。
- The optical system of LAMOST consists of a reflecting Schmidt correcting plate M A and a spherical primary mirror M B . Both M A and M B are segmented mirrors. Each segment is a hexagonal sub mirror with a 1.1 m diagonal. LAMOST的光学系统由反射施密特改正板MA 和球面主镜MB 组成 ;MA 和MB 均为对角径 1 .;1m的六角形子镜的拼镜面
- The primary mirror is 80 cm in diameter, a respectable size even for an observatory on the ground. 主镜的直径为80厘米，这一口径即使在地面天文台也是很可观的。
- It used to apply only to reflecting telescopes in which the primary mirror was a paraboloid, and thus capable of forming an image all by itself. 它过去只用在抛物面反射望远镜上，这种镜子只用主反射镜就能成像。
- The re-silvering of the 30 inch primary mirror is scheduled to be carried out tomorrow. 将 30英吋口径反射镜重新镀银已被安排在明天进行。””””
- With its six-foot-diamater primary mirror, the telescope allowed Rosse to discover the first spiral nebulae. 由于它具有直径6英尺的主镜，这台望远镜让罗斯发现了第一个螺旋星云。
- Step 3: Center your primary mirror's sweet spot in the eyepiece's field of view. 把主镜的甜点调整到目镜视场中。
- A defect in the primary mirror initially caused it to produce fuzzy images; in 1993 another shuttle mission corrected this and other problems. 刚开始时主反射镜的瑕疵造成影像模糊;1993年另一次太空任务修正此瑕疵及其它问题。
- Each primary mirror will focus its photons onto a separate, 1.1-meter secondary reflector, a thin membrane attached to 672 actuators. 每一面主镜都会将光聚焦在另一面直径1.;1公尺的次要反射镜上，反射镜是接有672个调节器的一片薄膜。
- A primary mirror site has good bandwidth, is available 24 hours a day, and has an easy to remember name of the form ftp.
.debian.org. 一个主站有更好的带宽，每天24小时在线，以及更容易记住的名字，如： - Optics system consists of a spherical primary mirror MB at the southern end, a reflecting Schmidt corrector MA at the northern end, with the focal plate in between. 光学系统由在南端的球面主镜MB、在北端的反射施密特改正镜MA构成,焦面在中间。
- With your eye close to the focuser, you can see the primary mirror reflected in the secondary, and the secondary and its spider in turn reflected in the primary. 把眼睛靠近调焦座，你会看见副镜中有主镜的反射像，而副镜和它的支架也在主镜中有反射像。
- A smart Pseudo Schimidt system is introduced with a afocal corrective lens through which the ray bundles pass before and after the reflection of the primary mirror. 介绍了一种具有两次透射的无光焦度校正透镜组的准施密特系统及其设计思想和方法,并给出了一个设计结果。
- A reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror. 具有抛物面主镜和双曲面次镜的一种折射式望远镜；光线被集中到主镜中心的孔径。
- His optic nerve was hurt in an accident. 他的视神经在一次事故中受到损伤。
- Microscopes and telescopes are optical instruments. 望远镜和显微镜是光学仪器。
- Primary Mirror Deployment Mechanisms for Space Optical Remote Sensors 空间光学遥感器的主镜展开机构
- The optic theory originated with Einstein. 光学理论是爱因斯坦首创的。
- Design and manufacturing of primary mirror 主反射镜的一种轻量化设计和加工
