假设有一个双星系统,只能看见一颗恒星,另一个看不见,一个恒星,有三条清晰吸收线。

Suppose you have a binary system that only one star is visible and the other one is invisible and the one star shows you three clear absorption lines.

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假设有一个双星系统,只能看见一颗恒星,另一个看不见,一个恒星,有三条清晰吸收线。

Suppose you have a binary system that only one star is visible and the other one is invisible and the one star shows you three clear absorption lines.

youdao