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- At first, the particle is considered as a highly aberrated spherical lens, so that its focal length is gained, and then the equivalent thin lens is found under the condition of the equal focal length and equal light distance. 首先将颗粒作为高象差的球形透镜求出其焦距,再由等焦距和等光程条件找出与球形透镜等价的薄透镜。
- equivalent thin lens 等焦薄镜片
- 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。
- equivalent thin lenses 等焦薄镜片
- Using the derived formula,we calculated the evolution properties of EFGB focused by a symmetrical thin lens and a nonsymmetrical thin lens. 利用导出的公式;我们计算分析了EFGB通过轴对称透镜和非轴对称透镜的聚焦特性.
- From the focal distance formula of thin lens, the convergence and divergence nature of each kind of thin lens are discussed in different media. 从薄透镜的焦距公式出发;讨论了各种透镜在不同介质中的会聚与发散性质.
- Analysis of the Graded-index Fiber-lens Using Thin Lens Equivalent 梯度折射率光纤透镜的薄透镜等效分析
- This article introduced the imaging principle of the thin lens and the refraction system of eyes. This article also analyzed the Simulation and Remedy of the Myopic Eye. 介绍薄透镜成像原理和眼屈光系统。分析近视眼的模拟与矫正。
- In this same way we could compute the response of any number of thin lenses. 用同样的方法，我们能够求出任意数目的薄透镜的响应。
- The view error in the thin lens measurement 薄透镜测量中的视觉误差
- Discussion for thin lens collecting and divergence 薄透镜的会聚与发散问题讨论
- the facility for measure the focal of thin lens 薄透镜测焦距实验装置
- Eyeglasses with thin lenses for near or distant viewing may still be required, but thick glasses are not necessary. 薄镜片眼镜在看远处或近处的时候也许还会用到，但是厚镜片眼镜是用不上了。
- A dime is equivalent to ten pennies. 一角等于十分。
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- The dividend pay is equivalent to one quarter of the pretax profit. 所付股息相当于税前利润的四分之一。
- It is dangerous to walk on thin ice in a lake. 在湖中薄冰上行走是很危险的。
- A dime is the equivalent of two nickels. 一角硬币等于两个五分镍币。
- A meter is equivalent to 39.37 inches. 一米相当於三十九点三七英寸。
- Some adjustment of the lens may be necessary. 可能有必要调节一下镜头。
