查询词典 lens

It is professional in researching and manufacturing CO2 laser tube, laser power supply, focus lens, reflect lens and all kinds of photoelectric products.

公司依托武汉·中国光谷强大的科研实力和技术人才的优势，并凭借优越的地理位置和一批经验丰富的科研及管理人才，在CO2 激光器领域占有较高的知名度，是国内少数几家自主研发10W-300W 激光器及与之相配套的高性能开关电源镜片的企业之一。

A digital single- lens reflex camera is a digital camera that uses a mechanical mirror system and pentaprism to direct light from the lens to an optical viewfinder on the back of the camera.

所谓数字单镜头反光相机是指使用机械反光镜系统和五棱镜把光线从镜头引导至相机背后的光学取影器中的一种数码相机。

However, as the image sensor becomes smaller,higher lens resolution is needed, which requires twice the precision in lens manufacturing.

然而传感器变小，就需要更高的镜头分辨率，这又需要在镜头加工过程中提高两倍的精度。

For one thing, a twofold increase in lens precision meant a twofold or even threefold increase in manufacturing precision. What's more, to meet the demands of future image sensors with even higher pixel counts, it would be necessary to boost interchangeable lens performance to the limit.

一方面，两倍高的镜头精度意味着两倍甚至三倍的制造精度；另一方面，为了配合今后开发的更高像素的传感器，必须将交互式镜头的性能发挥到极致。

The 4-axis grinding machine tool and the grinding process for machining non-sphere glass lens are both very professional,resulting in very hard to control the lens precision.

非球面玻璃镜片四轴磨削加工的加工硬件和加工工艺都具有很强的专业性，因而产品的加工精度控制问题显得十分突出。

Finally, oculars with narrow apparent fields of view can be of simpler construction than wide angle binoculars (e.g. 3 lens element reverse Kellner instead of 5 lens element Erfle), are therefore cheaper, provide a better light transmission and are less prone to ghost images, because they contain less air-to-glass surfaces.

最后，小视场目镜也可以比广角望远镜结构上更简单（如Kellner的3片式代替Erfle的5片式），也因此更便宜，提供了更好的透光性，因为减少了玻璃表面，也减少了产生鬼影可能。

As a singlet curved lens is impossible to correct all the five primary aberrations regardless it is made of PIMs or NIMs, the primaxy-aberration-free lens systems composed of two thin lenses or two thick lenses based on the use of NIMs are intentionally presented.

由于只靠单块曲面透镜是无法同时消除全部五种初级像差的，因而我们接着研究了由负折射率介质构造的能同时消除全部五种初级单色像差的双薄透镜组合系统和双厚透镜组合系统。

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A new way to change the parameters of non-diffracting beam using a popular sphere lens telescope system is proposed based on the relationship of lens transform between non-diffracting beam and ring light source.

本文提出一种用普通球面透镜望远系统来改变无衍射光束参数的新方法。

It also has a small lens at its tip, through which images are carried via a fiber optic lens system to a video monitor, which the surgeon and other staff can view in real time.

它也有一个小镜头，它的提示，通过这些图像进行通过光纤透镜系统，视频监控，这是外科医生和其他工作人员可以查看实时。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。