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- foot of optical axis (相片)光轴点
- 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。
- 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。
- The deviation of focus,magnification and parallelism of optical axis duc to changign the magnification in binocular with zoom type of triplex eyepiece are introduced. 本文介绍采用三组元变焦目镜的双筒望远镜在变倍过程中产生的离焦、倍率差、光轴平行差，较详细地导出这些误差的表达式，同时结合具体实例计算出误差的影响关系。
- Small villages scatter at the foot of the mountain. 村庄零零落落地散布在山脚下。
- Discusses the method of adjustment and examination of parallelism of optical axis between laser, infrared, TV, visual system or other forms of optical system when researching multi- spectrum sensor optical system. 本文主要探讨多光谱光学系统光轴平行性的调校和检验方法，分别提出用大口径平行光管调校和检测多光谱光学系统光轴平行性的方案和用小口径平行光管调校和检验多光谱光学系统光轴平行性的方案以及红外、光系统光轴平行性的调校和检验的方案。
- Spare blankets lay at the foot of each bed. 每张床的尾端放有备用毛毯。
- Among the 162 patients,319 near-sighted eyes,79 of 162 had comus (48.77%),149 of 319 near-sighted eyes had comus(46.71%). The results showed that there was a close relation between the degree of near-sightedness and the length of optical axis. 16 2人、319只近视眼中 ;出现近视弧形斑者 79人 (48.;77%25 )、149眼 (46
- The burly soldier pause at the foot of the blockhouse. 魁梧的士兵在堡垒下停了下来。
- This paper provided a simple method of calculating the propagation direction of extraordinary light in anisotropic uniaxial crystal when the direction of optical axis is discretional. 提供了在各向异性的单轴晶体内,当光轴方向任意时,非常光传播方向的一种较简便的计算方法,并给出了计算实例。
- The village nestled at the foot of the hill. 那村庄位于山脚下。
- With the case of any orientations of optical axis in uniaxial crystal,the versatile and precise formula of the phase difference for a birefringent plate is derived by means of Huygens principle. 在单轴晶体光轴任意取向的情形下应用惠更斯原理导出了双折射滤光片产生位相差的精确公式,结合几种熟知的特殊情形进行了简要讨论,给出完全一致的相关结果,揭示该普遍公式的正确性。
- A barracks was built at the foot of the mountain. 山脚下建了一座营房。
- The two estates join at the foot of the hill. 这两处房地产在山脚下相毗连。
- There are rows of tents at the foot of the mountain. 山脚下有几排帐篷。
- cross-point of optical axis of lamp 车灯光轴交点
- A system of optical components that magnifies. 能起放大作用的一组光学元件
- They erected their tent at the foot of the mountain. 他们在山脚下支起了帐篷。
- The explorers set up a base at the foot of the mountain. 探险者们在山脚下建立了基地。
- He pauses a moment at the foot of a tree to take his bearings. 他在一棵树下面停了下来，以便判明自己的方位。
