frequency spectral

• 频谱

frequency spectral的用法和样例：

例句

1. The commercial rigs also have higher specs on spectral purity.
   商业设备也有更高的规格上的频谱纯度。
2. 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。