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| fail-operative system (сохраняющая работоспособность при единичном отказе) | |||
| duplicated system | |||
| plied-up system | |||
| dual structure | |||
| duplicate system | |||
| |||
| redundant SC system (oleg.vigodsky) | |||
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| duplicate a system | |||
| дублированная система: 10 phrases in 5 subjects |
| Aviation | 2 |
| Military | 5 |
| Oil / petroleum | 1 |
| Technology | 1 |
| Weapons of mass destruction | 1 |