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3、1853年又发明了测量地磁强度垂直分量的地磁感应器。<ref>[https://www.sci100.com/kxjs/qwys/20982.html 天蝎座的著名物理学家有哪些]科学高分网</ref>
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== 参考文献 ==
[[Category:数学家]]
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