您要查找的是不是：
- double prism field glass 双棱镜野外镜
- The field glasses adjust with a screw. 双筒望远镜是用一个旋钮调节焦距的。
- Can you train your field glasses on the distant church tower? 你能把望远镜对向远方的教堂吗?
- Large sunspots can comfortably be seen through field glasses. 大的太阳黑子用双筒望远镜就能看得很清楚。
- tonometer with double prism testing devices 带双棱镜测试装置的眼压计
- double prism interference method 双棱镜干涉法
- A binocular or field glass. 双目镜，双筒望远镜
- The image of convexlens in the double prism interference experiment 菲涅耳双棱镜干涉实验中凸透镜的成像
- Even a careless momentary look through the eyepiece of field glasses or the telescope can do great harm to the eyes. 通过望远镜或双筒望远镜的目镜，即使对太阳只是漫不经心的一瞥，也会对眼睛造成严重的伤害。
- Visibility of Interference Fringe In Fresnel's Double Prism Experiment 关于菲涅耳双棱镜实验中干涉条纹的可见度
- How to Choose Convex Lens in the Double Prism Interference Experiment 菲涅尔双棱镜干涉实验中凸透镜的选择
- An optical device, such as a pair of field glasses or opera glasses, designed for simultaneous use by both eyes and consisting of two small telescopes joined with a single focusing device. Often used in the plural. 双目镜由两个小望远镜和一个调焦设备组成的光学设备，如一副双筒望远镜或观剧用的小望远镜，设计为同时用双眼观看。常用复数形式
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- Direct measurement of virtual light source distance in the interference experiment of double prism 双棱镜实验中虚光源间距的直接测量
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- look at the enemy's position through field glasses 用望远镜瞭望敌军阵地
