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- Thermal focal lens 热透镜
- The proposed method firstly detects correspondences based on gray level edge feature so that the focal lens can be counted based on correspondences uniqueness. 该方法首先使用基于灰度边缘特征点的图像匹配来获得匹配坐标,并由匹配坐标唯一性计算焦距;
- It is shown that by changing the focal length of focal lens and the distance between the axicon and the lens, the center of dark of the bottle beams can be altered effectively. 这些结果表明，改变聚焦透镜的焦距和聚焦透镜到轴棱锥间的距离以及光阑半径，可有效地改变局域空心光束的暗中空区域。
- Furthermore Science-Vision designers develop optical systems for fluorescence analysis, vario focal lenses or zoom lenses for video cameras, and optical systems for medical applications. 此外,科技之光的设计者开发了荧光分析,摄像机变焦距镜头和应用医学的光学系统。
- A typical lens has a focal length(f)of 625 mm. 常见镜头的焦距（f）为625毫米。
- Determine the focal length of your lens. 决定你镜头的焦距。
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- Some adjustment of the lens may be necessary. 可能有必要调节一下镜头。
- Do you have soft contact lens care product? 有没有软性隐型眼镜保养用品？
- He uses lens to make things appear clearer. 他用镜片以便看东西更清楚些。
- Determination of thermal focal length of diode laser end-pumped solid-state amplifier 二极管端面抽运的固体激光放大器自身热透镜焦距测量
- The lens is often used to make telescopes. 镜片常被用来做成望远镜。
- The focal point of our discussion was the need for action. 我们讨论的中心是采取行动的必要性。
- Meassurement of the laser diode end-pumped solid laser's thermal focal length by using the curve of output 利用输出功率测量激光二极管端面抽运的固体激光器热透镜焦距
- Don't smear the lens; I've just polished it. 别把镜头弄脏了，我刚刚擦过。
- A term sometimes applied to a stylus in a thermal matrix printer. 有时用来指热敏点阵打印机的触针的一个术语。
- Measurement of thermal focal length of LD-end-pumped crystal under stable-cavity-condition 利用稳腔条件测量LD端面泵浦激光晶体的热焦距
- The focal length of a given lens is different for different colors. 一个特定的透镜的焦距因颜色的不同而不同。
- The camera lens must be screened from direct sunlight. 照相机的镜头不可受到阳光的直射。
- 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。
