“Jotnian”的概念、定义、翻译、参考文献-科学参考

单词	Jotnian
释义	Jotnian Geology and Earth Sciences A stage of the Middle Riphean, from about 1400 to 1250 Ma ago, of the Baltic Shield region, underlain by the Gothian and overlain by the Varangian.
随便看	uric acid Uriconian uricotelic uridine urinary system urine uriniferous tubule URL URL redirection urn model Urochordata Ursa Major Ursa Major Moving Cluster Ursa Minor URSC Ursidae Ursid meteors urtite Uruguay Uruguay Round Uruk Ururoan Urutawan Urysohn’s lemma Usachev, Yury Vladimirovich (1957– )

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