Terms containing normal system

Subject	English	French
tech.	aircraft-carried normal earth axis system	trièdre normal terrestre porté par l'avion
tech.	normal earth-fixed axis system	trièdre normal terrestre
ed.	normal educational system	enseignement normal
transp., avia.	normal electrical generating system	génération électrique normale
transp., polit., environ.	Normal Ventilation System	système de ventilation normal
transp., avia.	total failure of the normal electrical generating system	défaillance totale du circuit électrique normal