Normal Operation System
| Important to Safety
| normal operation system | |
| nucl.pow. | СНЭ |
| important to safety | |
| energ.ind. | важный для безопасности |
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| СНЭ (система нормальной эксплуатации CBET) | |||
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Normal Operation System : 2 phrases in 2 subjects |
| Nuclear physics | 1 |
| Telecommunications | 1 |