Perkin-Elmer It turned out that Perkin-Elmer, which was probably the best optical manufacturer in America at that time, had built the primary mirror for this telescope.
结果事实是，当时美国最优秀的,光学部件制造商，为这个望远镜制造主镜。
This is the distance (usually in mm.) from the lens (or primary mirror) to the point where the telescope is in focus (focal point).
就是从透镜(或者主反射镜)到焦点的距离，通常单位是毫米(mm)。
The work on the technical transform of the mounting system of the primary mirror of the 1.2m alt-az telescope at the Yunnan Observatory is introduced and discussed in this paper.
本文介绍和讨论了云南天文台1.2米地平式望远镜主镜支承装置的技术改造工作。
The surface figure precision of the primary mirror in a large aperture telescope is a key factor influencing the imaging quality.
大口径望远镜主镜的面形精度是影响望远镜成像质量的关键因素之一。
The primary mirror is an important component of optical system applied on a space telescope, and its thermal optics property is the guideline to thermal design and control.
主镜是空间望远镜光学系统的重要组成元件，其热光学特性将为光学系统的热控设计提供依据。
The methods of specification, analysis and evaluation on telescope primary mirror figure error have an important instructive meaning to mirror fabrication.
望远镜主镜面形误差的指标制定、分析以及评价方法对主镜加工具有重要的指导意义。
The two-dimensional quantitative Hartmann tests lor the 1.2m aspherical primary mirror and the 1.2m alt-azimuth telescope at the Yunnan Observatory are performed.
对云南天文台1.2米非球面主镜和1.2米地平式望远镜进行了二维哈特曼定量检验。
18-point-support system is used as axial support in the 1 meter telescope primary mirror.
一米级天文望远镜主镜常采用18点底支承设计，以降低主镜面在重力作用下产生的变形误差。
18-point-support system is used as axial support in the 1 meter telescope primary mirror.
一米级天文望远镜主镜常采用18点底支承设计，以降低主镜面在重力作用下产生的变形误差。
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