|
temperature gradient : 15 phrases in 10 subjects |
| Analytical chemistry | 2 |
| Astronomy | 2 |
| Automated equipment | 1 |
| Earth sciences | 2 |
| Electricity generation | 1 |
| Energy industry | 2 |
| Life sciences | 1 |
| Natural resourses and wildlife conservation | 1 |
| Physical sciences | 2 |
| Technology | 1 |