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object-to : 43 phrases in 17 subjects |
| Communications | 1 |
| Construction | 1 |
| Data processing | 1 |
| Earth sciences | 3 |
| Foreign trade | 2 |
| General | 2 |
| Health care | 1 |
| Law | 6 |
| Materials science | 1 |
| Microelectronics | 2 |
| Nuclear physics | 2 |
| Optics branch of physics | 12 |
| Patents | 2 |
| Politics | 1 |
| Research and development | 1 |
| Taxes | 4 |
| Technology | 1 |