Terms containing propagation direction

Subject	English	French
el.	direction of propagation	direction de propagation
radio	direction of propagation of energy	direction de propagation de l'énergie d'une onde
tech., el.	direction of propagation of a wave	direction de propagation d'une onde
el.	direction of propagation of energy	direction de propagation de l'énergie
nat.res.	direction of wave propagation	direction de propagation des vagues
nat.res.	direction of wave propagation	direction de propagation des ondes
el.	propagation direction	direction de propagation
R&D.	wave propagation direction	direction de propagation des vagues