1.
A New Method to Measure Optics Parameter of Plano-convex Lens and Plane-concave Lens
一种测定平凸、平凹透镜光学参量的新方法
2.
a concave lens [mirror]
凹透镜 [凹面镜]
3.
meniscus (shaped) lens
凹凸透镜，弯月形透镜
4.
large concave mirror produces image that is magnified by the eyepiece.
由目镜产生放大图像的大的凹透镜。
5.
aberration of the concave mirror is reduced by a meniscus lens.
用半月板镜头减少凹透镜的过失。
6.
Just as a double convex lens enlarges, so a double concave lens reduces.
正象双凸透镜可以放大那样，双凹透镜也可以缩
7.
Having greater curvature on the convex side than on the concave side.Used of a lens.
凸凹的凸面比凹面曲度更大的。用来指透镜
8.
Having greater curvature on the concave side than on the convex side.Used of a lens.
凹凸的凹面曲率大于凸面曲率的。用于指透镜
9.
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
10.
Just as a double convex lens enlarges, so a double concave lens reduces
正象双凸透镜可以放大那样，双凹透镜也可以缩小。
11.
flat-top plastic bifocal
平顶塑料双焦点透镜
12.
Some are flared-that is, thicker at the rim than in the center, like a concave lens.
有些呈喇叭形──即边缘较中心厚，类似凹透镜。
13.
Concave Microlens Arrays Produced by Femtosecond Laser With HF Acid Etching
飞秒激光和酸刻蚀方法制作凹面微透镜阵列
14.
Effect of Thermal Deformation on the Laser Mode Distribution of Plano-Concave Resonator with A Gaussian-Reflectivity Mirror
腔镜热变形对高斯镜平凹腔激光场模式的影响
15.
Numerical analysis of Gaussian mirror resonator cavity outside the plano-concave resonator
高斯镜平凹腔腔外光束特性的数值分析
16.
Loneliness and Homelessness in the New Period On JIA Ping-wa s "Happy";
新时期的孤独者与飘零者——贾平凹《高兴》透析
17.
A lens is a round piece of glass, but it is not flat.
透镜是一个圆形玻璃片，但不是平的。
18.
The Ancient Greeks used lenses or concave mirrors to concentrate the sun's rays and burning glasses were also used by Mexican Aztecs and the Chinese.
古希腊人使用透镜或凹面镜聚集太阳光线并且这种方法也被墨西哥阿芝台克和中国人使用。