| Subject | English | Spanish |
| comp., MS | power optimization | optimización de energía (The capability to automatically turn off a virtual host machine that is not needed to meet resource requirements within a host cluster and then turn the virtual host machine back on when it is needed again) |
| commun., IT | power-bandwidth optimization | optimización potencia-anchura de banda |
| UN, polit. | Symposium on Energy Conservation and Optimization Relating to Power Systems | Simposio sobre conservación de la energía y optimación de los sistemas energéticos |