Incisor
发表于 2025-3-30 10:10:52
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Bravura
发表于 2025-3-30 12:49:01
Jussi Collin,Pavel Davidson,Martti Kirkko-Jaakkola,Helena LeppäkoskiIt was Newton’s ideas about light and the impossibility of correcting for refrangibility by mixing complementary lenses that significantly slowed the production of achromatic lenses, as they were seen to be of no use in telescope manufacture. At the same time, his ideas did create some speculations over the value of using mirrors over lenses.
掺假
发表于 2025-3-30 16:32:07
Anthony Gregerson,Michael J. Schulte,Katherine ComptonAfter the original flurry of activity and outstanding discoveries associated with the first two lens telescopes, frustrations started to develop as it was realised that there were limits to these instruments. To start improving an instrument, whether this is a telescope or any other device, it is necessary to describe what its shortcomings are.
上坡
发表于 2025-3-30 21:38:47
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institute
发表于 2025-3-31 02:42:22
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石墨
发表于 2025-3-31 06:55:55
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sorbitol
发表于 2025-3-31 12:32:43
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Presbycusis
发表于 2025-3-31 15:45:37
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记忆法
发表于 2025-3-31 19:59:24
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