Stellar spectra vary considerably.
恒星的光谱有相当大差异。
In chap. 19 we saw that red shifts in stellar spectra result from motions away from the earth.
在第十九章我们已了解到，恒星光谱中的红移是恒星背离地球的运动造成的。
Inn chap. 19 we saw that red shifts in stellar spectra result from motions away from the earth.
在第十九章我们已了解到，恒星光谱中的红移是恒星背离地球的运动造成的。
Stellar spectra classification is an indispensable part of any workable automated recognition system of celestial bodies.
恒星光谱分类是天体光谱自动识别中的重要组成部分。
Stellar spectra classification is an indispensable part of any workable automated recognition system of celestial bodies.
恒星光谱分类是天体光谱自动识别中的重要组成部分。
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