nef | System
| System | |
| 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 |
| German thesaurus | |||
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| Noise Exposure Forecast | |||
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nef : 7 phrases in 1 subject |
| Health care | 7 |