spectra是什么意思

spectra

英 ['spektrə] 美 ['spɛktrə]

n. 光谱；范围（spectrum的复数形式）

TOEFL

双语例句

1. 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。

2. 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.

3. 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.

4. There is a curious feature in the spectra of spiral galaxies.: 在旋涡星系的光谱中有一种奇妙的特征.

5. They could look at the spectra of the light the moons reflected.: 他们可以观察月亮反射的光的光谱.

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