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| Subject | English | Russian |
| Makarov. | essential condition | непременное условие |
| ling. | essential condition | существенное условие |
| Makarov. | essential condition | обязательное условие |
| progr. | essential race condition | существенное состояние гонки (occurs when an input has two transitions in less than the total feedback propagation time Alex_Odeychuk) |