| |||
required element (An element that is required to be present in order to satisfy a schema) | |||
main member (без которого система теряет устойчивость) | |||
requisite | |||
primary member (без которого конструкция теряет устойчивость) | |||
necessary element (ssn) |
необходимый элемент : 10 phrases in 7 subjects |
Automated equipment | 1 |
Energy industry | 1 |
General | 2 |
Mass media | 1 |
Measuring instruments | 2 |
Programming | 2 |
Scientific | 1 |