| System abbr. | |
| gen. | system |
| busin. | framework |
| comp. | system software |
| earth.sc. mech.eng. | system |
| IMF. | scheme |
| refrig. | system; thermodynamic system |
| social.sc. | drug addiction |
| tech. | method; plan |
|
Tschebyscheff : 16 phrases in 6 subjects |
| Communications | 4 |
| General | 3 |
| Life sciences | 2 |
| Mathematics | 1 |
| Optics branch of physics | 1 |
| Statistics | 5 |