фотометрия : 72 phrases in 12 subjects |
Analytical chemistry | 1 |
Astronomy | 22 |
British usage, not spelling | 1 |
Chemistry | 12 |
Electrochemistry | 1 |
Electronics | 10 |
Geology | 1 |
Medical | 1 |
Medical appliances | 3 |
Missiles | 2 |
Optics branch of physics | 11 |
Technology | 7 |