“Halley's Comet”的概念、定义、翻译、参考文献-科学参考

单词	Halley's Comet
释义	Halley's Comet [`hal·ēz ¦käm·ǝt] ^ASTRONOMY A member of the solar system, with an orbit and a period of about 76 years; its nucleus is about 9 miles (15 kilometers) in diameter; next due to appear in 2061.
随便看	variable visibility variable-volume air system variable waveguide attenuator variable-word-length variance variance ratio test variant variant record variate variate difference method variation variational inequality variational method variational principle variation diagram variation of latitude variation per day variation per hour variation per minute varicap varicella varicocele varicose varicose vein varicosity

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