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- A METHOD OF ACCURATELY MEASURING FOCAL DISTANCE OF LENS 精确测量透镜焦距的一种方法
- The Function of Diaphragm in Measuring the Focal Distance of Lens 光阑在透镜焦距测量中的作用
- Measurements of the focal distance of lens based on Lau effect in double grating 利用双光栅Lau效应测量透镜焦距
- focal distance of lens 透镜焦距
- In this paper, the focal distance formula of lens in varied shapes is obtained by using object methods to make its physical meaning more obvious. 摘要采用直观的方法得出了空气中各种形状的薄透镜的焦距公式，使其物理意义更加明显。
- On the Focal Distance Formula of Lens in Varied Shapes 关于各种形状透镜的焦距公式
- At a distance of six miles you can't see much. 距离六英里以外的东西很难看清。
- Error Analysis and Ways to Make fewer in Measuring Focal Distance of Convex Lens 凸透镜焦距测量的误差分析和减小方法
- The conclusion shows that reasonable selections of the focal distances of the main reflector may be able to obtain low RCS, keeping the high-gain under the antenna unchanged. 结果表明,在保持增益不变的情况下合理选择主反射面的焦距是能够达到降低雷达散射截面的需要的。
- The distance of a light year boggles the imagination. 一光年的距离大得令人难以想象。
- Measurement of Lens Focal Distance: Using a Spectrum Interferometer Based on Fractional Fourier Transform 分数傅里叶变换频谱干涉法测量透镜焦距
- She looked back over a distance of ten years. 她回顾过去十年的时间。
- Measuring focus of lens quickly. 单焦点镜片快速功能。
- The pigeon homed from a distance of 100 miles. 鸽子从百英里之外返回窝巢。
- 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.
- The distance of the star can be worked out. 能够测出这颗星的距离。
- The house was within striking distance of the road. 房子离公路很近。
- An eastbound car travels a distance of 40m in 5s. 一部向东驶的汽车在5秒里走了40米距离。
- We have covered a distance of 200 kilometers. 我们已走了200公里的路程。
- We came within a measurable distance of victory. 我们就要胜利了。
