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谈到辐射计，首先想到的大约是盖格计数器。云母窗的盖格管能够测α、β、γ等多种射线，便宜的玻璃管可以测γ和高能β。盖格计数器的知名度太高，以至于成了辐射计的代名词，并且有“盖格一响，爹妈白养”等大家耳熟...

一：项目背景：笔者正在开发一款爱好性质的ai cad软件，而目前遇到了一些瓶颈。通用式llm虽然一部分具有多模态能力，但是实际建模效果并不理想。于是我决定自己微调一个模型，来达到在垂直领域更好的效果。...

涡喷不算火箭，但是用涡喷的技术可以做出涡轮泵，有了涡轮泵就有高性能的液体火箭我也在想液体火箭的事，可是没有加工机械。H2O2比较有希望，燃烧室甚至可以用铝管。作为入门尝试比较好。话说H2O2火箭不怎么...

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