| |||
| spectral; spectral density of ...; spectral concentration of ... | |||
| |||
| spectral concentration; spectral distribution of a radiant, luminous or photon quantity | |||
|
спектрална густина : 2 phrases in 1 subject |
| Mathematics | 2 |
| |||
| spectral; spectral density of ...; spectral concentration of ... | |||
| |||
| spectral concentration; spectral distribution of a radiant, luminous or photon quantity | |||
|
спектрална густина : 2 phrases in 1 subject |
| Mathematics | 2 |