“hydrogen abundance”的概念、定义、翻译、参考文献-科学参考

单词	hydrogen abundance
释义	hydrogen abundance Astronomy hydrogen abundance氢丰度
随便看	homologous to zero homologous transformation homologous triangles homologous with division allowed homolographic equal-area projection homologue homology homology algebra homology axis homology basis homology boundary homology cell homology center homology character homology class homology cobordant manifold homology coefficient method homology cross product homology cycle homology dimension homology-equivalence homology-equivalent complex homology exact sequence homology functor homology group

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