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 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。
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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