“long-period comet”的概念、定义、翻译、参考文献-科学参考

单词	long-period comet
释义	long-period comet Astronomy A comet with an orbital period greater than 200 years. Examples include comets Donati, Tebbutt, and West. The Kreutz sungrazers are also long-period comets. The shortest computed period for a comet in this category is 220 years (C/1905 F1 Giacobini). See also periodic comet.
随便看	extranet extranuclear genes extraordinary ray extra-orogen basin extrapolate extrapolated failure rate extrapolated mean life extrapolation extrapolation method extrapolative expectations extrasensory perception pulse spacing pulse stretcher pulse tilt pulse-time modulation pulse train pulse-triggered flip-flop pulse width pulse-width modulation pulsing zombie pulverizer pulvinus pumice pump pump and dump

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