perturbation

perturbation theory

théorie des perturbations

stellar perturbation

perturbation stellaire

PERTURBATION DETECTION

DETECTION DE PERTURBATION

planetary perturbation

perturbation planétaire

(b) Output perturbation;

b) Perturbation des résultats;

Perturbation (astronomy)

Perturbation

perturbation of the vertical

perturbation de la verticale

PERTURBATION RECORDING SYSTEM

Système enregistreur de perturbations