“Hehuang Gudi”的概念、定义、翻译、参考文献-科学参考

单词	Hehuang Gudi
释义	Hehuang Gudi Encyclopedia 理学〔山地、丘陵、火山〕释 Hehuang Gudi河湟谷地泛指黄河流域龙羊峡至寺沟峡一段和湟水流域及其支流冲积形成的河谷地区。旧称三河间、河湟间。
随便看	principalization principal lattice element principal leadership principal left ideal principal left ideal ring principal line principal line of photograph principally analytic set principally polarized variety principal mapping principal matrix principal maximum principal measure principal minimum principal minor principal minor array principal minor determinant principal module principal moment principal moment of inertia principal net of a mapping principal net of the flow principal neutral point principal nilpotent orbit principal norm

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