谦虚的人
发表于 2025-3-27 00:38:01
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旧病复发
发表于 2025-3-27 02:07:05
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河潭
发表于 2025-3-27 06:18:15
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Mindfulness
发表于 2025-3-27 13:27:58
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晚间
发表于 2025-3-27 17:07:25
J. A. Rincon,V. Julian,C. Carrascosa this chapter, and also that about the amazing “photon connection” in Chapter 14.) Commercially available telescopes in use by backyard astronomers today range from small 2- and 3-inch aperture refractors up to 36-inch behemoth reflectors, with the most common sizes being in the 4- to 14-inch size range.
清真寺
发表于 2025-3-27 18:43:26
Francisco Sousa,Fernando Lopes,João Santanaan 200 feet in one case! (Galileo made his historic discoveries using small, primitive refractors. And while he did not invent the telescope itself, he’s credited with being the first person to apply it to celestial observation — and to publish what he saw.)
借喻
发表于 2025-3-27 22:11:54
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使声音降低
发表于 2025-3-28 04:36:06
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Etching
发表于 2025-3-28 07:32:15
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Platelet
发表于 2025-3-28 11:06:18
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