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The Large Sky Area Multi‐Object Fibre Spectroscopic Telescope (LAMOST) is the largest, wide field‐of‐view (FOV) telescope (with an aperture of 4 m), and it is equipped with the highest number (4000) of optical fibres in the world. For the LAMOST North and the LAMOST South, the FOVs are 5° and 3.5°, respectively, and the linear diameters are 1.75 m and 1.22 m, respectively. A new type of atmospheric...
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