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telescope' s optical axis 望远镜光轴
When the telescope optical axis isnt perpendicular to the platform rotary axis strictly,the image that is caused by reflecting via double-face flat speculum of the bright cross will have some changes. 深入分析分光计的望远镜光轴与载物台旋转轴不严格垂直时出现的望远镜筒中的亮十字物经载物台上的双平面镜所反射的十字物的像的变化;简述准确快速调节望远镜光轴与载物台旋转轴严格垂直的方法。
Light that passes focus is refracted to be parallel to the main optical axis. 通过焦点的光线折射后平行于主光轴。
Crystals of this type, having only one optic axis, are called uniaxial crystals. 这种只有一根光轴的晶体称为单轴晶体。
Telecentric operation (field rays leave parallel to optical axis, unlike Barlow lenses which diverge rays). 远心手术（场射线离开平行光轴，不像巴卢镜片，其中发散射线）。
In a normal eye the optic axis is the direction in which objects are seen most distinctly. 正常眼中光轴的方向就是看物体最清楚的方向。
Methods Corneal refractive powers and the length of optic axis were measured on 277 patients with simple myopia of teenager (536 eyes). 方法对单纯性近视277例536只眼,测量其角膜水平及垂直曲率,并按年龄、屈光度分组,对各组角膜曲率及眼轴长度进行统计学分析。
The research of avionic HMS/HMD visor" s optical system is a topic in "the Tenth Five-year-plan" and at presents only a few countries do this work . 护目镜式头盔瞄准／显示器的研究是国家十五预研课题，目前只有少数几个国家开展此项研究。
Be aware as well that these transforms are centered about the zero-frequency optical axis of the system. 还要记住这些变换式是以系统的光轴（频率为零）为中心的。
The conoscopic interference figures of crystal are collected by CCD camara in order to measure accurately the direction of the optic axis. 提出了用CCD摄像机采集晶体锥光干涉图来快速精确测量晶体的光轴方向的方法。
Long term monitoring of OJ287's optical brightness now indicates that the system may be precessing very rapidly, setting arecord for general relativistic precession of orbits. 对OJ287光学亮度的长期观测显示，整个系统在超高速旋转，并记录到相对论性轨道进动。
Sample link central position and photosource optical axis in identical strip level line. 其中样品环的中心位置与光源的光轴在同一条水平线上。
Multiple linear regression and correlative analysis showed that the increase in optic axis was main factor for the formation of simple myopia of teenager. 多元线性回归和相关分析显示眼球轴长增加是单纯性近视眼形成的主要因素。
Conclusion The corneal refractive powers and the length of optic axis are two factors for the degree of simple myopia of teenager and the optic axial lengths are main factor. 结论青少年单纯性近视的屈光度与角膜曲率及眼轴长度密切相关,且眼轴长度是单纯性近视眼形成的主要因素。
We also analyzed the aspect that the propagation direction departed from the optical axis for a little angle, and compared it with the former. 同时也对光束传输方向与通光主轴方向成小角度的情况作了相应的分析，并对两种情况加以比较。
This method uses a single standard CCD camera with telecentric lens, moving object along optical axis, images are taken at the two object position. 该方法采用一台带有远心镜头的CCD摄像机，沿光轴方向移动目标拍摄两幅图像，根据所拍摄景物图像的散焦半径与图像大小计算目标景物距摄像机的距离。
In early 2001 Wendell was named president of Corning’s optical communications businesses, leading these businesses through both dynamic market growth and the subsequent challenges of market declines. 2001年初，魏文德被任命为康宁光通信部总裁，在电信市场高速发展时期以及之后市场衰减的困难时期，他一直领导着该部门。
In regards to VO2 s optical properties, the transmittance of infrared rays through the VO2 coating decreased with phase transition of VO2(M) O2(R), and phase transition temperature was 67.8 . 中文摘要二氧化钒具有热致相变之特性，其电性及光学性质能藉由改变温度产生大幅度的变化。
A photograph printing device arranges a polaroid which can rotate around an optic axis and a double refraction board at the light emergent side of a liquid crystal layer. 一种照片印制装置，将能以光轴为中心旋转的偏光片和双折射板设在液晶层的光出射侧。
We also analyzed the aspect that the propagation direction departed from the optical axis for a little angle,and compared it with the former. 同时也对光束传输方向与通光主轴方向成小角度的情况作了相应的分析,并对两种情况加以比较。