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| English | Spanish |
| equivalent contrast of a task | contraste equivalente |
| equivalent veiling luminance for disability glare or veiling reflections | luminancia velante equivalente |
| equivalent veiling luminance for disability glare or veiling reflections | deslumbramiento perturbador |
| noise equivalent input of a detector | estímulo equivalente al ruido |
| noise equivalent irradiance of a detector | irradiancia equivalente al ruido |
| noise equivalent power | flujo equivalente al ruido |