Correcting the accuracy of non rotating and aspheric lens by controlling the pressure of the polishing die;
自由曲面透镜型面误差的压力抛光修正
The surgery of rhegmatogenous retinal detachment under indirect ophthalmoscope with no hand-held condensing lens;
无手持聚光透镜间接检眼镜下视网膜脱离手术
Selfoc lenses and their application to optical fiber sensing system;
自聚焦透镜及其在光纤传感系统中的应用
The phase computing formula and designing way for the air three-dimensional Rotman lenses are presented.
介绍了二维多波束天线的特点和实现二维多波束的几种方法 ,针对空馈的Rotman透镜推导出了由它馈电的平面天线阵的相位计算公式及设计方法 ,在此基础上成功地实现了空馈透镜的平面天线阵样机 ,并给出了相应的测试结果。
a concave lens [mirror]
凹透镜 [凹面镜]
meniscus (shaped) lens
凹凸透镜,弯月形透镜
aplanat [aplanatic] lens
消球差透镜,齐明透镜
air-spaced doublet
双不胶透镜; 双分离透镜; 双分透镜; 空气隙双合透镜; 分离式双透镜
manual zoom lens
(镜头)手控可变焦距透镜
opticians' lens measurer
眼镜制造者用透镜表
A planoconvex lens used to concentrate light.
凸透镜用来聚光的凸镜
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
metal-plate lens
(天线) 金属板透镜
variable focal length (cylindrical) lens
变焦(距)(圆柱)透镜
Schlieren projection lens
施利仑投影透镜,纹影摄影投影透镜
Shaped like a biconvex lens.
双凸透镜状的形状像双凸透镜的
The principal points of a thin lens coincide at the center of the lens.
薄透镜的两个主点与透镜中心相重合。
The lens or lens group closest to the eye in an optical instrument;an ocular.
目镜光学仪器中靠近眼睛的透镜或透镜组;窥孔
A single lens in a pair of glasses; a monocle.
单片眼镜一对眼镜片中的一个单透镜;单片眼镜
lens center thickness gauge
透镜中心厚度测量规
metal(lic) delay lens
(天线)金属延迟透镜
flat-top plastic bifocal
平顶塑料双焦点透镜