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| reliability indices; safety index | |||
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安 全 指数 : 19 phrases in 9 subjects |
| Air defense | 1 |
| Cryptography | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Oil / petroleum | 1 |
| Space | 10 |
| Statistics | 1 |
| Technology | 2 |
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