知识 发表于 2025-3-28 17:19:54

The development of electronic imaging in astronomy, realized that careful astronomical observations were important to survival because such observations enabled them to predict seasonal events, such as when to plant and when to harvest. Observational astronomy was also one of the earliest scientific activities.
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查看完整版本: Titlebook: Eastern European Mathematics Education in the Decades of Change; Alexander Karp Book 2020 Springer Nature Switzerland AG 2020 Mathematics