The design of a diffractive reflective hybrid singlet is presented to replace a conventional doublet telescope objective.

提出了一种用以替代双胶合望远物镜的折衍混合单透镜的设计方法。

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This paper is the fourth in a series publishing the results of an objective prism survey for emission-line galaxies with the 60 cm Schmidt Telescope of the Beijing Astronomical Observatory.

本文发表的是用北京天文台60厘米施密特望远镜进行发射线星系物端棱镜巡天结果的第四篇文章。

youdao

This paper is the fourth in a series publishing the results of an objective prism survey for emission-line galaxies with the 60 cm Schmidt Telescope of the Beijing Astronomical Observatory.

本文发表的是用北京天文台60厘米施密特望远镜进行发射线星系物端棱镜巡天结果的第四篇文章。

youdao