隐士
发表于 2025-3-23 13:36:53
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Cirrhosis
发表于 2025-3-23 14:54:00
Arnaud Orainsat any given instant..In a world where too many mariners and aeronauts rely solely on technology and are vulnerable to solar flares, electrical issues, and the like, this knowledge can be a life-saving backup,978-3-319-47993-4978-3-319-47994-1
大喘气
发表于 2025-3-23 20:29:30
Alida Clementeion in 1991 is shown as another example..3. The book then highlights a third period, when radio astronomers, in particular, were very active in “building bridges” between East and West. It also tells the histor978-3-030-98627-8978-3-030-98625-4Series ISSN 2509-310X Series E-ISSN 2509-3118
Admonish
发表于 2025-3-23 23:28:04
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安心地散步
发表于 2025-3-24 03:10:22
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合群
发表于 2025-3-24 07:56:23
Antonella Alimento,Aris Della Fontanah the concise algorithms for finding the position of the Sun and various navigational starsat any given instant..In a world where too many mariners and aeronauts rely solely on technology and are vulnerable to solar flares, electrical issues, and the like, this knowledge can be a life-saving backup,
男生戴手铐
发表于 2025-3-24 12:27:35
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enlist
发表于 2025-3-24 17:06:08
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Gudgeon
发表于 2025-3-24 20:18:03
William J. Ashworthmy was occasionally introduced to Korea since eighteenth century mostly through China, but it was not widely taught until after the “Korean war” between the two countries (1950-1953). In South Korea, university level astronomy education started in the late 1950s, the Korean Astronomical Society was
斜谷
发表于 2025-3-25 01:40:42
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