photometric
| binary star
| photometric | |
| astr. | fotometrico |
| binary star | |
| astr. | doppia fìsica; stella binaria; sistema binario |
| |||
| fotometrico | |||
|
photometric : 35 phrases in 10 subjects |
| Astronomy | 9 |
| Chemistry | 9 |
| Earth sciences | 5 |
| Electronics | 1 |
| Environment | 1 |
| Lighting other than cinema | 4 |
| Metallurgy | 2 |
| Natural sciences | 1 |
| Technology | 2 |
| Transport | 1 |