weapons effectiveness
| testing
| weapon effectiveness v | |
| busin. | 武器效力 |
| testing v | |
| econ. | 检测 |
| fin. | 试査 |
| hydroel.st. | 检验; 试验; 检定 |
| met. | 研究; 测定 |
| mining. | 试油 |
| oil | 试井 |
| racing | 试车 |
| |||
| 武器效力 | |||
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weapons effectiveness : 12 phrases in 6 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Economics | 1 |
| Scientific | 1 |
| Space | 5 |
| United States | 1 |