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单词 mid-cretaceous
释义

> as lemmas

mid-Cretaceous
mid-Cretaceous n. and adj.
ΚΠ
1863 J. D. Dana Man. Geol. iii. iii. 480 The Cretaceous beds of Europe have been divided into—1. The Lower Cretaceous... 2. The Middle Cretaceous... The Upper Cretaceous.]
1902 H. F. Osborn in Contrib. Canad. Paleontol. 3 ii. 7 The determination by the Canadian Survey of a Mid-Cretaceous and fresh-water fauna..is a forward step of great importance in vertebrate palæontology.
1902 Science 24 Oct. 673/1 (title) New vertebrates in the Mid-Cretaceous.
1974 Nature 23 Aug. 683/1 The Paleogene..saw the most rapid deposition off the Natal coast from the mid-Cretaceous onwards.
1995 Sci. Amer. Feb. 66/2 The older sediments and oceanic crust were buried during the mid-Cretaceous epoch.
extracted from midadj.n.1adv.2
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as lemmas
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