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| English thesaurus | |||
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| gm | |||
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pressure gradient : 28 phrases in 13 subjects |
| Analytical chemistry | 2 |
| Biology | 1 |
| Communications | 2 |
| Construction | 1 |
| Earth sciences | 5 |
| Electronics | 1 |
| General | 4 |
| Life sciences | 1 |
| Measuring instruments | 1 |
| Medical | 2 |
| Medical appliances | 1 |
| Technology | 6 |
| Transport | 1 |