tunnel (1) tendance (1) test (1) roche (1) voie ferrée (1) traitement (1) physique (1) propriété physique (1) modélisation (1) modèle (1) matériau (1) traitement des données (1) abords (agglomération) (1) densité (1) Density (1) Data processing (1) Construction (1) Case (1) Observations (1) Observations (1) Variations (1) Value (1) Units of measurement (1) Punched card systems (1) Physics (1) Petrology (1) Perspective (1) Models and modelmaking (1) Modeling (1) Investigations (1)