Filibuster
发表于 2025-3-28 16:17:34
Pieter C. van der Kruit, representative and credible World Heritage List enlarged the scope beyond historical, aesthetic and scientific values to take into account new perspectives. These three achievements are indicators of a paradigm shift in conservation theory and practice that subsequently unfolded in the twenty-firs
tooth-decay
发表于 2025-3-28 19:31:11
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BUST
发表于 2025-3-29 01:32:13
Growing Up in Barneveld,ool for boys, where he himself was also educated. He later said that he had been very lonely amidst so many other boys who needed the attention of his parents, and had often felt neglected as a result. At a relatively young age he decided to turn away from the church. He was a very bright student, w
abolish
发表于 2025-3-29 03:45:44
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Herbivorous
发表于 2025-3-29 10:30:55
Astronomer in Leiden,m of accurate measurements of star positions, under the supervision of H.G. van de Sande Bakhuyzen. Leiden Observatory was world famous in this field for its accuracy of measurements. Correspondence about his appointment shows that Kapteyn had done extensive astronomical work in Utrecht, and had tri
DEFER
发表于 2025-3-29 11:57:46
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LIKEN
发表于 2025-3-29 17:58:27
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Prognosis
发表于 2025-3-29 23:19:48
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上坡
发表于 2025-3-30 02:52:08
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固定某物
发表于 2025-3-30 04:24:31
Colors and Motions,ith his first PhD student Willem de Sitter (who had worked at the Cape), he commenced the study of the distribution of the colors of stars in different regions of the sky. At that time Kapteyn started to look at patterns of stellar proper motions on the sky, which could be used to estimate distances