“heavy element”的概念、定义、翻译、参考文献-科学参考

单词	heavy element
释义	heavy element Astronomy Any element heavier than hydrogen and helium. In astronomy, the heavy elements are often termed metals.
随便看	polygon filling polygonization polygon of forces polygyny polyhaline water polyhalite polyhedral molecule polyhedron polyhydric alcohol polyline polymarker polymer polymerase polymerase chain reaction polymerization Polymers polymetallic sulphide effective effective address effective aperture effective area effective computability effective demand effective discharge effective enumeration

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