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| English thesaurus | |||
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| ARCS | |||
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Aerial : 1376 phrases in 58 subjects |
| Agriculture | 19 |
| Agronomy | 3 |
| Alternative dispute resolution | 1 |
| American usage, not spelling | 2 |
| Anatomy | 1 |
| Archaeology | 2 |
| Artificial intelligence | 1 |
| Astronomy | 49 |
| Automobiles | 4 |
| Aviation | 4 |
| Biology | 4 |
| Botany | 5 |
| British usage, not spelling | 5 |
| Cables and cable production | 2 |
| Chemistry | 4 |
| Coal | 5 |
| Communications | 122 |
| Construction | 32 |
| Cultural studies | 10 |
| Earth sciences | 13 |
| Economics | 8 |
| Electronics | 347 |
| Environment | 7 |
| Fish farming pisciculture | 3 |
| Forestry | 2 |
| General | 104 |
| Geophysics | 1 |
| Hobbies and pastimes | 1 |
| Industry | 2 |
| Informal | 3 |
| Information technology | 2 |
| Insurance | 1 |
| Labor law | 1 |
| Law | 3 |
| Life sciences | 7 |
| Marketing | 3 |
| Materials science | 2 |
| Mechanic engineering | 4 |
| Medical | 11 |
| Medical appliances | 1 |
| Metallurgy | 4 |
| Microelectronics | 3 |
| Microsoft | 1 |
| Military | 7 |
| Mining | 8 |
| Municipal planning | 1 |
| Natural resourses and wildlife conservation | 6 |
| Natural sciences | 2 |
| Nuclear physics | 4 |
| Optics branch of physics | 96 |
| Photography | 1 |
| Physics | 15 |
| Plastics | 1 |
| Social science | 1 |
| Statistics | 2 |
| Surveying | 2 |
| Technology | 348 |
| Transport | 73 |