 |
| |||
| теорема Бетти (ssn); принцип взаимности работ (ssn) | |||
| English thesaurus | |||
| |||
| Betti theorem (ssn) | |||
| principle of reciprocity of work: 2 phrases in 2 subjects |
| Construction | 1 |
| Mechanics | 1 |
|
| |||
| теорема Бетти (ssn); принцип взаимности работ (ssn) | |||
| English thesaurus | |||
| |||
| Betti theorem (ssn) | |||
| principle of reciprocity of work: 2 phrases in 2 subjects |
| Construction | 1 |
| Mechanics | 1 |