état (2) Space (2) train (1) temps (durée) (1) satellite (1) projet (1) papier (1) modélisation (1) évolution (1) effet (1) taux (1) bâtiment (1) Case (1) Control (1) Methods (1) Work (1) Will (1) Time (1) Thought and thinking (1) Students (1) Space vehicles (1) Science (1) Satellites (1) Reason (1) Psychology (1) Poor (1) Paper (1) Optical communications (1) Models and modelmaking (1) Modeling (1)