Anh
singular point
isotropic point
Đức
singulärer Punkt
isotroper Punkt
Pháp
point singulier
point isotrope
point neutre
point singulier /IT-TECH/
[DE] singulärer Punkt
[EN] singular point
[FR] point singulier
point isotrope,point neutre,point singulier /SCIENCE/
[DE] isotroper Punkt
[EN] isotropic point
[FR] point isotrope; point neutre; point singulier