| 单词 | electromagnetic spectrum |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔absorption spectrum〕The electromagnetic spectrum, broken by a specific pattern of dark lines or bands, observed when radiation traverses a particular absorbing medium.吸收光谱：由特定的黑线或黑带分裂形成的电磁谱，当辐射通过一特定的吸收介质时即可被观察到美国传统〔laser〕A device whose output is in an invisible region of the electromagnetic spectrum.激光装置：把信号输入于电磁光谱不可见区域的一种装置美国传统〔luminous energy〕The radiant energy of electromagnetic waves in the visible portion of the electromagnetic spectrum.光能：可见的电磁光谱中电磁波的能量美国传统 |
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