In this paper, we discuss six theorems of the stability on minimal focal surface.
本文给出了伪球率线汇极小焦面稳定性的六个定理。
The imaging focal surface is equipped with 4000 optical fibers which can do automatically positioning and is connected with 16 spectrometers to do real time recording.
成像的焦面上装着4000根可自动定位的光纤，连接16台光谱仪实时记录数据。
As I am writing this, an important operation of the Light forces on the surface of the planet is healing the Congo portal, the focal point of the Archon invasion of 1996.
我在撰写这篇文章的同时，地表的光明势力正在进行疗愈刚果门户，也就是1996年执政官入侵地球所使用的门户。
A method is introduced for testing stray light coefficient, vignetting coefficient and image surface uniformity optical system with large aperture and long focal length.
叙述一种用于测试大口径、长焦距光学系统杂光系数、渐晕系数、像面照度均匀性等光学参数的检测方法。
It has an aluminized surface that reflects starlight to form an image at the focal plane.
表面镀铝膜，将星光反射到焦平面上成像。
This curved energy transmission surface defines a focal point (8) and a focal length (9).
这种弯曲的能量传递表面限定焦点(8)和焦距(9)。
The experiments show that the optimal focal plane is focused at the surface layer of the photographic emulsion.
实验表明，最佳焦面实际集中在各种胶片乳剂层表层。
For a given reflector surface it is also important to locate the focal point of the best -fit paraboloid relative to the existing feed support structure.
对一个已给定的反射面，与馈源支撑结构有关的最佳吻合抛物面焦点的定位也是很重要的。
Methods for land surface process parametrization are a focal point for atmospheric physicists to investigate, and also a problem for hydrologists to be increasingly concerned about.
陆面过程的参数化方法是大气物理学家研究的重点，也是水文学家越来越关注的问题。
We will have focal point study for moving and fixing grid law etc., have the application to the free surface search of he impressure influent fields.
在数值模拟中重点对移动和固定网格法等进行了研究，并应用固定网格法对无压渗流场自由面进行了搜索计算。
Then the application and advancement of remote sensing technology in focal global change problems such as land cover, trace gases, wetlands and land surface parameters are reviewed.
然后概述了遥感技术在土地覆盖、痕量气体、湿地以及地表参数反演等全球变化研究热点问题中的应用及进展情况。
The focal length of camera is estimated efficiently by using the algorithm of equidistant matching, images are warped to the surface of sphere whose radius equals to the focal length of camera.
使用等距离匹配算法计算相机的焦距，以相机焦距作为球体半径，将照片图像投影至球面上。
It zooms the focal length by controlling the surface shape of liquid in a non-mechanical component, and has a broad application prospect.
液体透镜是使用液体制作而成的一个无机械部件，并通过控制液面形状实现无限变焦功能，有着非常广阔的应用前景。
The rupture surface is to NNE, similar to gradient belt of focal depth, gradient belt of crustal deformation, isoseisms and extended direction of earthquakes.
伽师强震群的破裂断层面为北东向，与震源深度梯度变化带、地壳接触变形梯度变化带、等烈度线以及地震扩展方向吻合；
Then, image surface position was kept steady during a zooming process by controlling the spherical aberration of front fixed group and the focal length of back fixed group.
之后，通过合理控制前固定组球差及后固定组焦距，使变焦过程中的像面保持稳定。
The first single-curved reflective surface has a focal length greater than that of the second single-curved reflective surface.
第一单弯曲反射面有一个焦距大于表面的第二个单弯反射。
The utility model is a laser therapeutic equipment with large laser radiation area, high therapeutic efficiency and applicability to treatment of large focal area or wound surface of human skin.
本实用新型是一种激光辐射面积大、治疗效率高、特别适用于治疗人体皮肤大面积病灶区或创面的激光治疗机。
In technology research focal point should put in weld become type, weld mechanics performance and single surface weld two-sided shape root weld 3 aspects.
在工艺研究中，重点应放在焊缝成型、焊缝力学性能及单面焊双面成形根焊三个方面。
Focal depth plays an important role in optical storage systems, and high focal depth makes the focusing servo system easy to track the disk surface.
焦深在高密度光盘存储系统中具有十分重要的作用，大焦深可以使调焦伺服系统容易跟踪盘面。
Focal depth plays an important role in optical storage systems, and high focal depth makes the focusing servo system easy to track the disk surface.
焦深在高密度光盘存储系统中具有十分重要的作用，大焦深可以使调焦伺服系统容易跟踪盘面。
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