“第Ⅵ主族元素”的概念、定义、翻译、参考文献-科学参考

单词	第Ⅵ主族元素
释义	第Ⅵ主族元素 Encyclopedia 理学第Ⅵ主族元素释 the group ⅥA elements第Ⅵ主族元素包括氧、硫、硒、碲、钋、𫟷六个元素，属周期系ⅥA族。
随便看	improper rotation improper rotation group improper sales behavior improper set improper singularity improper subalgebra improper subclass improper subgraph improper subgroup improper submodule improper subobject improper subset improper subspace improper symbol improper symmetry operation improper transformation impropertransposition improper valuation improv comedy improved artificial whiskers improved confinement mode improved finite element improved grassland improved Lorentz-Savona industrial evolution model Improved Lunar Ephemeris

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