 |
| Spanish | English |
| espectro biológico | biological spectrum |
| espectro de ruido | noise spectrum |
| espectro de ruido | noise spectrum The range of frequencies occurring in the noise emitted by a source |
| la aparición de un pico en el espectro es atribuible a radiación X secundaria | the appearance of a peak in the spectrum is attributable to secondary X-radiation |
| region del espectro | spectral region |