Translation of "Preliminary design review" in German

During the training week in April 2008, the students had to submit their experiment designs to a critical review by DLR, SSC and ESA experts known as the PDR (Preliminary Design Review).
Bereits zur Trainingswoche im April 2008 mussten die Studenten ihre Experimententwürfe der kritischen Prüfung durch Experten von DLR, SSC und ESA während des so genannten PDR (Preliminary Design Review) überprüfen lassen.
ParaCrawl v7.1

Over the last weeks the "pre-CDR's" (preliminary Critical Design Reviews) took place in our partner schools.
In den letzten Wochen fanden die sogenannten pre-CDR's (Vorab Critical Design Reviews) in unseren Partnerschulen statt.
ParaCrawl v7.1