The conditions of the focus of thin compound lens located at different side of compound lens;
薄透镜组的焦点位于组合透镜两侧时应满足的条件
Simulation and correction experiment on eye ametropia——determination of focal distance(focal power) of thin lenses;
眼睛屈光不正的模拟与矫正实验——薄透镜焦距(光焦度)的测定
The handling of errors in measuring the focus of thin lens;
薄透镜焦距测量中的误差及处理
Discussion on the Basic Point and Basic Face of Compound Lens;
薄透镜组合的基点与基面位置的讨论
A research on the characteristic of the refraction-reflection system composed of rotational conicoid thin lens and flat mirrors
旋转二次曲面薄透镜与平面镜组成的折反光学系统的性质研究
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 formation of weld microstructure in inertia friction welding by was studied mans of microscope,SEM and TEM.
利用光学显微镜、扫描电镜、薄膜透射电镜研究了惯性摩擦焊缝组织的形成。
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
Further study on thin-lens focal length measurement experiment;
再议对薄透镜焦距测定的进一步研究
Improvement on a Device in the Experiment of the Measurement of the Thin Lens Focallength;
“薄透镜焦距的测定”实验装置的改进
Imaging Problem of Spherical Mirror and Thin Lens with Icon Research;
图示法研究球面镜和薄透镜的成像问题
A mirror, lens, or combination of lenses used to gather light and direct it upon an object or through a projection lens.
聚光器用于聚光并将光引向某物体或通过一凸透镜组的镜子、透镜或透镜组
Rayleigh-Sommerfeld Diffraction Formula on the Thin Acoustic Lens With Larger Aperture
较大孔径薄声透镜声场的瑞利─索末菲衍射公式
The Problem Existing in Measuring the Focal Length of Thin Lens;
测量薄透镜焦距中存在的问题及解决办法
Discussion on the Methods of Coaxal Adjustment of Determining the Focal Length of Thin Lens;
一种薄透镜焦距测定中共轴调节方法讨论
How to Find the Position of the Image in the Experiment of Measuring the Foci of Thin Covex;
测薄透镜焦距实验中成象位置的确定方法
Research on Focal Depth in the Experiment of Thin Lens' Focal Length Measurement
薄透镜焦距测量实验中焦深问题的研究
A mist or film clouding a surface, as of a window, lens, or mirror.
朦胧，模糊如在窗玻璃、透镜或镜子面上挡住表面的雾或薄膜
Objectives which consist only of one lens can be used for visual and photographic observations.
由单透镜组成的物镜可作目视和照相观测用。
METHOD OF EMTP DEHYDRATION DURING THE SPECIMEN PREPARATION FOR TRANSMISSION ELECTRON MICROSCOPE
透射电镜EMTP组织处理仪制样方法
Thermal lens effect in end-and-side pumped DPL
端侧面组合抽运DPL热透镜效应研究