| |||
research and development | |||
Research & Development |
研究和开发 : 74 phrases in 16 subjects |
Automobiles | 2 |
Aviation | 7 |
Earth sciences | 34 |
Ecology | 1 |
Economy | 2 |
Electronics | 5 |
Geology | 2 |
Mechanics | 1 |
Name of organization | 4 |
Navigation | 1 |
Oil / petroleum | 1 |
Plastics | 1 |
Shipbuilding | 1 |
Space | 5 |
Technology | 6 |
United States | 1 |