搜索 - 科创

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如需更多搭配选择，请在此处购买 https://www.kechuang.org/t/84859 本书以广大科创爱好者关注的实验用途电磁炮为中心，从动能武器的发展出发，说明电磁动能武器的基本原理，讲解...

好久没冒泡了。最近大家都在关注负离子粉的新闻。可惜现在人在国外，没有办法购得样品进行测试。盖格计数器只能检测电离辐射的强度和定性地确定辐射的种类。如果要确定样品中的核素，必须要对辐射的能谱进行测量。借...

按惯例在期货等待期间通报情况。首先抱歉的通知，原计划的最早发货时间3月31日已无希望，目前争取不突破4月15日。本来想争个首次终于没跳票的「美名」，谁知对困难还是预估不足😂前些日子因为对一位老朋友的...

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