half- width : 35 phrases in 12 subjects |
Analytical chemistry | 6 |
Antennas and waveguides | 2 |
Astronomy | 4 |
Chemistry | 1 |
Communications | 1 |
Earth sciences | 2 |
Microsoft | 1 |
Natural sciences | 1 |
Nuclear physics | 3 |
Radiation | 12 |
Scientific | 1 |
Technology | 1 |