Internal Research
| And
| Development
| internal research | |
| tech. | 内部研究; 内部调查 |
| AND | |
| el. | 与; 逻辑电路"与" |
| and | |
| gen. | 并; 及; 和; 及; 加; 并且 |
| busin. | 以及; 与 |
| development | |
| met. | 研制; 改进; 发达; 扩展; 产生; 显像 |
| |||
| 内部研究; 内部调查 | |||
|
Internal Research : 6 phrases in 5 subjects |
| Drilling | 1 |
| Mechanics | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 2 |