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- This paper calculates the radius of curvature of lens exactly by using average method to measure the diameter of Newton s rings. 本文通过用平均值法测定牛顿环的直径,解决了牛顿环直径测不准的问题,从而精确地计算出透镜的曲率半径。
- Measuring focus of lens quickly. 单焦点镜片快速功能。
- radii of lens 晶状体辐射线
- Focal length difference at different radii of the thermal lens is analyzed simply. 初步计算了晶体热透镜不同径向位置处的焦距差。
- There are three lakes within a radius of five miles. 周围五英里之内有三个湖泊。
- What is the radius of this circle? 这个圆的半径有多长?
- The reciprocal of the radius of a circle. 曲率一个圆半径的倒数
- What type of lenses are represented? 什么样的镜头被描述?
- The police searched all the fields and woods within a radius of two miles. 警察搜查了半径两英里范围内所有的田野和森林。
- Light is condensed by means of lenses. 光线可藉透镜集聚之。
- The choice of lens depends on the area to be photographed. 镜头焦距须视乎拍摄范围的阔窄而定。
- It is now necessary to introduce a sign convention for radii of curvature. 现在必须介绍曲率半径的正负号规则。
- Light is condensed by means of lenses . 光线由透镜聚焦。
- There is three lake within a radius of five mile. 周围五英里之内有三个湖泊。
- What [How long] is the radius of this circle? 这个圆的半径有多长?
- Radius of Scroll of Beast increased. 野兽卷轴的影响范围加强。
- We are measuring the radius of the circle. 我们正在测量圆的半径。
- Obong surrounded by, a radius of 250 km. 五峰环抱，方圆达250千米。
- Using a small flat blade, carefully pry each corner of lens outward from lamp. 使用小型平头工具，小心地撬出灯罩的每一个角。
- Did you calculate the radius of the circle? 你有没有计算这个圆的半径?
