“ostracoderm”的概念、定义、翻译、参考文献-科学参考

单词	ostracoderm
释义	ostracoderm [`ä·strǝ·kō´dǝrm] ^PALEONTOLOGY Any of various extinct jawless vertebrates covered with an external skeleton of bone which together with the Cyclostomata make up the class Agnatha.
随便看	finite strain theory fin keel Fink truss finned surface finnemanite fin-reinforcing assembly fin rot Finsen lamp finsen unit Finsler geometry Finsler structure on a manifold fin spine fin stabilization fin waveguide fiord fiorite Fior process fir fire fire adjustment firearm fire assay fireball fire blight fireboat

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