zeitvariables
| System
| Zeitvariable abbr. | |
| stat. tech. | time variable |
| 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 |
| |||
| time variable | |||
|
zeitvariables : 3 phrases in 2 subjects |
| Automated equipment | 1 |
| Economics | 2 |