spectrum 【物】spectrum
Astronomical research began to spread over the whole range of electromagnetic waves.
天文研究开始向整个电磁波谱范围延拓。
—— 辞典例句The experimental study of molecular rotation is called microwave spectroscopy.
分子转动的实验研究被称为微波波谱学。
—— 辞典例句Microwave spectroscopist have determined the rotational constants for many molecules.
微波波谱学家已经确定了许多分子的转动常数。
—— 辞典例句Several different names have emerged to characterize different parts of the spectrum.
几个不同的名称用来表示电磁波谱的不同部分。
—— 辞典例句The electromagnetic spectrum covers an enormous range of frequencies and energies.
电磁波谱包括极大的频率和能量范围。
—— 辞典例句