出生
发表于 2025-3-25 04:15:24
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patella
发表于 2025-3-25 10:35:21
What is light pollution?,as from within the atmosphere contribute to the natural background radiation. A major contribution to the natural sky brightness comes from the influence of the Sun. As the solar radiation changes during the well-known 11-year period, the influence on the natural sky brightness varies as well.
Campaign
发表于 2025-3-25 14:29:39
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penance
发表于 2025-3-25 16:07:55
Photometry,d the units of the light are strictly and precisely defined and described in the International Lighting Vocabulary that is published by CIE. This vocabulary is based on the ISO-Standards of weights and measures.
FUSE
发表于 2025-3-25 22:47:49
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开始发作
发表于 2025-3-26 01:24:18
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Abrade
发表于 2025-3-26 06:39:51
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Contort
发表于 2025-3-26 11:43:22
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茁壮成长
发表于 2025-3-26 16:06:55
https://doi.org/10.1007/978-1-4020-2666-9astronomy; environment; observatory; photometry
经典
发表于 2025-3-26 17:15:00
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