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| English thesaurus | |||
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| RIS | |||
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Reconnaissance : 423 phrases in 18 subjects |
| Agriculture | 3 |
| American usage, not spelling | 13 |
| Astronautics | 1 |
| British usage, not spelling | 14 |
| Business | 1 |
| Chemistry | 1 |
| Construction | 6 |
| Foreign trade | 1 |
| General | 86 |
| Life sciences | 4 |
| Military | 163 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 6 |
| Optics branch of physics | 17 |
| Politics | 2 |
| Surveying | 1 |
| Technology | 94 |
| Transport | 9 |