spectra例句
Astronomers will have to collect more
spectra from these stars to confirm their suspicions.
天文学家们必须要从这些恒星上采集更多的光谱来证实他们的推想。
The infra - red
spectra of quinones present a number of interesting features.
醌类的红外光谱具有一些有趣的性质.
This relation between the frequency and the field
spectra was noted experimentally.
实验上已经发现频率和场频谱之间的这种关系.