| English | French | |
|---|---|---|
| Economy | ||
| Economy | preliminary design | avant-projet [m] |
| Construction | ||
| Construction | preliminary design | avant-projet [m] |
| Construction | preliminary design | dessin préliminaire |
| Construction | preliminary design | avant-projet sommaire |
| Technical | ||
| Technical | preliminary design | avant-projet [m] |
| Aeronautics | ||
| Aeronautics | preliminary design | avant-projet [m] |
| Petroleum | ||
| Petroleum | preliminary design | conception préliminaire [f] |
| Military | ||
| Military | preliminary design | conception préliminaire |
| English | French | |
|---|---|---|
| Construction | ||
| Construction | preliminary design phase | phase de conception préliminaire |
| Construction | detailed preliminary design | avant-projet détaillé |
| Aeronautics | ||
| Aeronautics | detailed preliminary design | avant-projet détaillé |
| Aeronautics | preliminary design review | examen préliminaire de l'étude de conception |
| Aeronautics | detailed basic preliminary design | avant-projet détaillé |
| Military | ||
| Military | preliminary design description | dossier de conception préliminaire |