“standard star for spectral classification”的概念、定义、翻译、参考文献-科学参考

单词	standard star for spectral classification
释义	standard star for spectral classification Astronomy standard star for spectral classification光谱分类标准星
随便看	initial species initial star initial starting torque of motor initial state initial state effects initial state radiation initial strip initial structure initial sun initial surface initial susceptibility initial term initial topology initial value initial value condition initial value problem initial-value problem initial value problem in general relativity initial variety initial velocity initial vertex initial zone initiate initiated establishment initiating

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