coude focusing

Laser conjugation direting sensor based on differential focusing;

一种基于差动调焦的激光共轭引导传感器

Simulative experimental instrument based on central split-image focusing;

中心裂像调焦模拟实验仪

Aim\ To realize automatic height measurement and focusing of aerial photographic camera.

目的　实现航空像机摄影高度自动测量和调焦 。

elbow refractor

折轴反光望远镜;折轴折射望远镜;曲折折光计

Optical design of coaxial eccentric-pupil three-mirror system with wide field of view

共轴偏光瞳宽视场折轴三反射光学系统设计

vertical body break

辊身沿轴线垂直面折断

the car's axle snapped short.

汽车的轮轴突然完全折断了。

Measurements of refractive indices and optical axis of uniaxial crystal using Brewster angle method

用布儒斯特角法同时测定单轴晶体的折射率和光轴方向

The forming mechanism of gem refractivity models and the refractivity models of isotropic, uniaxial crystal gems

宝石折射率图式的形成机理及均质体、一轴晶宝石的折射率图式

The Study of Refraction and Vectorial Properties of Waves in Uniaxial Left-handed Material;

光在单轴左手介质中的折射和矢量性质研究

The Investigation of Beams Propagation and Amphoteric Refraction in a Uniaxially Anisotropic Crystal;

单轴晶体中的光束传输和正负折射现象研究

Reconstruction of the Variation of Deflection Index of an AxisSymmetry Field with Zoned Method;

环带法重建轴对称折射率场的分布情况

Realization of Biaxial Crystal Dynamic Outer Conic Refraction by Using Iris

利用可变光阑实现双轴晶体动态外锥折射

Posterior fixation of atlantoaxial fracture dislocation using polyaxial screw-rod system through pedicles

后路多轴螺钉-棒系统治疗上颈椎骨折脱位

A PRELIMINARY REPORT OF OPEN REDUCTION AND NUMELOCK II POLYAXIAL SYSTEM FIXATION FOR TYPE C FRACTURE OF DISTAL RADIUS

多轴锁定钢板治疗桡骨远端C型骨折初步报告

Study and Selection of Closure Dike Axis in Diversion Channel

明渠截流折线形戗堤轴线的选择与研究

Polyaxial locking plate for the treatment of tibial plateau fractures

多轴锁定解剖型钢板治疗胫骨平台骨折

Having one direction along which double refraction of light does not take place.Used of a crystal.

单轴晶体的有一个方向的，沿此方向不发生光的双折射。用于晶体

"Circumvolution:an act of turning, coiling, or folding about a center, a core, or an axis."

转动,旋转:相对一个中心、核心或轴的转动、卷缠或折叠的动作.

An act of turning, coiling, or folding about a center, a core, or an axis.

转动，旋转相对一个中心、核心或轴的转动、卷缠或折叠的动作

Propagation Constants of Axisymmetric Modes in a Kerr Law Nonlinear Graded Index Optical Fiber

克尔型非线性梯度折射率光纤轴对称模的传播常数