妈妈不开心
发表于 2025-3-26 23:27:09
Plasma Applications, earth. We now know that the waves were reflected by the ionosphere. The study of plasmas probably began with Irving Langmuir’s experiments on sheaths in 1928, and it was he who coined the name plasma in a blood-free context. Practical use of plasmas began in the late 1940s with E.O. Lawrence’s inve
玉米棒子
发表于 2025-3-27 01:17:10
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FLING
发表于 2025-3-27 09:09:39
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高度赞扬
发表于 2025-3-27 10:32:05
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轻弹
发表于 2025-3-27 14:41:43
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做方舟
发表于 2025-3-27 20:01:46
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扫兴
发表于 2025-3-27 22:41:50
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抛弃的货物
发表于 2025-3-28 04:22:40
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Gyrate
发表于 2025-3-28 07:45:24
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Medley
发表于 2025-3-28 10:34:43
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