栖息地
发表于 2025-3-27 01:00:13
Brief History of Solar Observations,calculations wrong also cost them their heads. During the reign of Tchong-Kang in China, in 2155 BC two unfortunate mathematicians Ho and Hi failed to accurately predict a solar eclipse and were put to death for their negligence.
defendant
发表于 2025-3-27 02:37:56
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水槽
发表于 2025-3-27 09:16:23
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杠杆支点
发表于 2025-3-27 12:19:57
SHG Images and Science Achievements,. One of the strengths of the SHG is that we can accurately position the acquisition bandwidth at a nominated wavelength and known distances (in Å) from the absorption line core CWL, something difficult to assess with normal commercial filters.
nascent
发表于 2025-3-27 16:21:02
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天气
发表于 2025-3-27 20:20:54
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saphenous-vein
发表于 2025-3-28 01:26:40
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含水层
发表于 2025-3-28 05:29:33
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abject
发表于 2025-3-28 07:34:37
Imaging Sunlight Using a Digital Spectroheliograph
artifice
发表于 2025-3-28 11:41:24
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