“comet group”的概念、定义、翻译、参考文献-科学参考

单词	comet group
释义	comet group [`käm·ǝt ´grüp] ^ASTRONOMY A division of comets on the basis of their period; the short-period group (periods of less than 200 years) contains orbits that show a strong preference for the plan of the solar system; the planes of long-period comets are randomly distributed.
随便看	Uraniidae uranin uranine uranine yellow uraninite uranium uranium acetate uranium age uranium carbide uranium decay series uranium dioxide uranium enrichment uranium hexafluoride uranium hydride uranium-lead dating uranium nitrate uranium ocher uranium oxide uranium-radium series uranium reactor uranium series uranium sulfate uranium tetrachloride uranium tetrafluoride uranium trioxide

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