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| English thesaurus | |||
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| occurrence | |||
| occur: 34 phrases in 13 subjects |
| Agriculture | 2 |
| Chemistry | 5 |
| Earth sciences | 3 |
| Environment | 1 |
| Immigration and citizenship | 1 |
| Insurance | 1 |
| Labor law | 1 |
| Law | 1 |
| Materials science | 1 |
| Metallurgy | 14 |
| Natural sciences | 1 |
| Politics | 1 |
| Transport | 2 |