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| 科学研究公司美 | |||
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Research Corp : 52 phrases in 8 subjects |
| Aviation | 1 |
| Company name | 1 |
| Earth sciences | 9 |
| Economy | 1 |
| Electronics | 5 |
| General | 31 |
| Oil / petroleum | 1 |
| United States | 3 |
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