1.
making and testing of astronomical mirrors
天文镜面的磨制和检验
2.
Light reflected from the surface of the mirror, instead of passing through a curved glass lens.
光线受镜面的反射，而不是穿过凹凸的玻璃镜头。
3.
Any of the lenses, prisms, or mirrors of an optical instrument.
光学镜光学仪器的透镜、棱镜或平面镜
4.
Some telescopes do not use a lens at the front. They use a curved mirror at the back. A curved mirror is better than a lens in some ways.
一些望远镜的前部不用透镜，而在后面装上一个曲面镜，曲面镜在某些方面要比透镜好。
5.
All three of them use mirror, not lenses at the front.
这三台望远镜前部用的都是曲面镜而不是透镜。
6.
flange focal distance
镜座距，指镜头座与菲林平面的距离
7.
A simple periscope uses mirrors.
简单的潜望镜使用平面镜。
8.
a concave lens [mirror]
凹透镜 [凹面镜]
9.
The Evil Queen has a magic mirror.
邪恶的皇后有一面魔镜，
10.
best image plane of zoom lens
变焦距物镜的最佳像面
11.
Cameras have lenses at the front.
照相机的前面装有镜头。
12.
The water at the bottom was like a mirror.
井底的水像一面镜子。
13.
the parabolic reflector of a searchlight
探照灯的抛物面反射镜
14.
A curved mirror distorts the features.
弯曲的镜面使容貌变形。
15.
The curvature of the film is concentric with the mirror behind the meniscus.
胶片的曲率是和弯月透镜后面的反射镜同心的。
16.
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。
17.
ON THE SURFACE STRUCTURE OF THE SCALES IN NOTOTHENIA CORIICEPS RICHARDSON
南极鳕鳞片表面结构的光镜和扫描电镜的观察
18.
"Mirror" of Modernism;
“现代派”的“镜子”——从镜子意象看“现代派”的诗学面相