 |
| |||
| 科学情报中心美 | |||
| 科学信息中心美 | |||
| 美国科学信息中心 | |||
| Scientific Information Center: 30 phrases in 8 subjects |
| Aviation | 4 |
| Business | 3 |
| Earth sciences | 5 |
| Electronics | 7 |
| General | 4 |
| Shipbuilding | 1 |
| Telecommunications | 3 |
| United States | 3 |
|
| |||
| 科学情报中心美 | |||
| 科学信息中心美 | |||
| 美国科学信息中心 | |||
| Scientific Information Center: 30 phrases in 8 subjects |
| Aviation | 4 |
| Business | 3 |
| Earth sciences | 5 |
| Electronics | 7 |
| General | 4 |
| Shipbuilding | 1 |
| Telecommunications | 3 |
| United States | 3 |