“absorption nebula”的概念、定义、翻译、参考文献-科学参考

单词	absorption nebula
释义	absorption nebula Astronomy See Dark Nebula.
随便看	retrusive retry return return channel return current return-current coefficient return flow return instruction return interval return loss return period returns returns to scale return stroke return to zero return trace return vehicle retweet reurbanization reusable launch vehicle reusable resource reusable software Reuter, Paul Julius, Baron von (1816–99) Reuven Ramaty High-Energy Solar Spectroscopic Imager revaluation

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