“the group ⅦA elements”的概念、定义、翻译、参考文献-科学参考

单词	the group ⅦA elements
释义	the group ⅦA elements Encyclopedia 理学第Ⅶ主族元素释 the group ⅦA elements第Ⅶ主族元素包括氟（F）、氯（Cl）、溴（Br）、碘（I）、砹（At）五种化学元素。简称卤素。
随便看	Global Navigation Satellite System receiver global navigation satellite system terminal global navigation satellite system terminal, GNSS terminal global necessary condition global nitrogen cycle Global Ocean Ecosystem Dynamics Global Ocean Observing System global operation global optimal solution global optimization global optimization algorithm global optimum global order global oscillation Global Oscillation Network Group Global Partnership for Education global phosphorus cycle global physical geography global plate tectonics Global Positioning System global positioning system global positioning system, GPS global positioning system jammer global positioning system time global positioning system with synchroranging

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