搜索 - 科创

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引用 chemistry02:Rt，以前在中国知网上的一些资料中我了解到了一些连接分离（或连接解锁）和分离装置的知识，发现大多数连接分离（解锁）和分离装置都是用火工品，只有一个用弹簧的分离装置，但还是...

引用 chemistry02:看到这个帖子，考虑到以后做火箭可能需要个通信方面的设备，就想领一块，但是因为我不懂无线电方面的知识，所以需要点技术和售后，如果没有，那坏了什么的就不好说了...额，这个天...

Rt，明天军训（开学），以后只能有时间的时候再上科创了。高中时间会紧一点，不过我还是会努力的，争取在高中毕业前发射一枚火箭。六酸中，除了氢溴酸和氢碘酸不管制，其余四酸都管制，而它们又是我们实验党必不可...

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