LAIR
发表于 2025-3-27 00:15:25
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CUMB
发表于 2025-3-27 03:42:48
Dina Modestus Nziku,Veland Ramadani,Léo-Paul Dana,Marina Dabićit light; this process is called .. Luminescence is characterised by emission of light in excess of the thermal radiation produced by heat in a given material. The basic rule for distinguishing between thermal and light radiations can be formulated as follows: If the intensity of the emitted light e
Intrepid
发表于 2025-3-27 08:00:00
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BET
发表于 2025-3-27 11:42:56
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补充
发表于 2025-3-27 16:51:30
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存在主义
发表于 2025-3-27 20:26:01
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