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- The fine tuning for the optical axes boresight was achieved by setting a spatial transfer reference with several sets of autocollimators and adopting a large-aperture optical axis adjustment device. 着重分析探讨了光电稳瞄系统中各探测器光谱范围的差异性、光学平台结构的复杂性、光学轴系与回转轴系的一致性带来的精度难以实现的关键技术问题。
- optical axis adjustable device 光轴调整装置
- It also includes a retention mechanism which is adjustable and can be used for limiting movement of microscope platform along optical axis direction. 设置一与对焦装置合作的可调整的阻挡机构，以便限制显微镜平台沿光轴方向的运动。
- 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。
- 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。
- Add fine adjust device for the pressure of foot,without dial on the adjustable screw, more convenience for operation. 压脚压力采用微调装置，压力调节螺钉设有刻度，更加方便操作。
- Buil-in focus adjustment device for adjustment of. 具有调焦装置,可以进行散光和聚光调节。
- 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。
- Adjustable device for measuring cutter feeding which can manufacture larger win-door without ordering special corner combining cutter. 增加了刀进给量的调整装置，不用订做专用组角刀就能加工更大的门扇。
- 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。
- 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。
- It adds an adjustable device for thick or thin paper, which can adjust the laminating of paperboard, three-layer or five-layer tunnel paper and can be operated conveniently. 增加厚薄纸可调装置，调节卡纸、三层、五层坑纸等纸张厚薄复合，操作方便。
- 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。
- The three new are as follows, international bulging and soft reduction, new spray technology in secondary cooling and on line quick width adjustable and thickness adjustable device for zero segment. 介绍了最近开发成功并应用的三项厚板坯连铸新技术:人为鼓肚轻压下,二次喷淋新技术及在线快速调厚调宽的零号扇形段。
- 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。
