| |||
| additional key; auxiliary key; complementary key; extra key (при криптоанализе) | |||
| minor key | |||
| extra key (поиска); secondary key | |||
| minor key (сортировки ssn) | |||
|
дополнительный ключ : 7 phrases in 4 subjects |
| Dental implantology | 3 |
| Economics | 1 |
| Mass media | 2 |
| Programming | 1 |