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| Агентство по освоению космического пространства (The Space Development Agency (SDA) is a directorate of the United States Department of Defense's office of the under secretary of defense for research and engineering (OUSD (R&E)) which supports space development in the interests of U.S. national security. MED) | |||
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Space Development Agency : 5 短语, 3 学科 |
| 空间 | 1 |
| 航天 | 3 |
| 航空 | 1 |