“Sb spiral galaxy”的概念、定义、翻译、参考文献-科学参考

单词	Sb spiral galaxy
释义	Sb spiral galaxy [¦es´bē `spī·rǝl `gal·ik·sē] ^ASTRONOMY A class of spiral galaxy characterized by smaller central bodies and more open, larger arms.
随便看	field flattener field focus field fortification field-free emission current field frequency field galaxy field geology field gradient field gun field index field intensity field investigation field ionization field-ion microscope field laboratory field length field lens field-line annihilation field-line reconnection field luminance field magnet field map field moisture field of fire effective temperature

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