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

单词	the group ⅣA elements
释义	the group ⅣA elements Encyclopedia 理学第Ⅳ主族元素释 the group ⅣA elements第Ⅳ主族元素包括碳、硅、锗、锡、铅和𫓧六个元素。统称碳族元素。
随便看	circle strophoid circlet circle tangent line circle theorem Circlet of Pisces circle transformation circle triangle picking circlip circRNA circuit circuit algorithm circuital theorem of electrostatic field circuit analysis circuit board fault diagnosis system circuit breaker circuit closing circuit complexity circuit complexity theory circuit edge circuit element circuit-free graph circuit-free set of cells circuit graph circuit graph rank circuit intendant

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