index of refraction,radio refractive index,refractive index /ENG-ELECTRICAL/
[DE] Refraktionsindex des Funksignals
[EN] index of refraction; radio refractive index; refractive index
[FR] indice de réfraction; indice de réfraction radioélectrique
index of refraction,optical index,refraction coefficient,refractive index /SCIENCE,INDUSTRY-CHEM/
[DE] Brechungsexponent; Brechungsindex; Brechungskoeffizient; Brechungszahl; Brechzahl
[EN] index of refraction; optical index; refraction coefficient; refractive index
[FR] coefficient de réfraction; indice de réfraction