| Subject | Dutch | English |
| el. | actie ter bevordering van de efficiency | scheme for increasing efficiency |
| gen. | Afdeling Organisatie en Efficiency | Organization and Computerization Branch |
| earth.sc. | bron voor efficiency-ijking | efficiency-calibration source |
| gen. | Centrale Directie Organisatie en Efficiency | Central Organisation and Methods Department |
| earth.sc., mech.eng. | efficiency-coëfficient | delivery efficiency |
| earth.sc., mech.eng. | efficiency-coëfficient | conveying performance |
| econ. | efficiency van investeringen | efficiency of investment |
| nat.sc., agric. | efficiency van watergebruik | moisture-use efficiency |
| nat.sc., agric. | efficiency van watergebruik | water-utilization efficiency |
| nat.sc., agric. | efficiency van watergebruik | moisture-utilization efficiency |
| gen. | efficiency van watergebruik | water use efficiency |
| gen. | efficiency van watergebruik | water efficiency |
| life.sc., construct. | efficiency van watergebruik op de boerderij | farm water use efficiency |
| life.sc., construct. | efficiency van watergebruik op veldniveau | field water use efficiency |
| agric., construct. | efficiency van watergebruik op veldniveau | irrigation efficiency |
| agric., construct. | efficiency van watergebruik op veldniveau | field irrigation efficiency |
| IT, tech. | efficiëncy-controle | efficiency control |
| gen. | Hoofd Afdeling Organisatie en Efficiency | Head, Organisation and Methods Division |
| construct. | hydraulische efficiency | hydraulic efficiency |
| tech. | ionisatie-efficiency | ionization efficiency |
| market. | "marginal efficiency of capital" | marginal efficiency of capital |
| chem. | overall efficiency | overall efficiency |
| chem. | overall efficiency | over-all column efficiency |
| econ., energ.ind. | technische efficiëncy | technical efficiency |
| fin., energ.ind. | Wereldfonds voor energie-efficiency en hernieuwbare energie | Global Energy Efficiency and Renewable Energy Fund |