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1.“阿里安”计划发展“阿里安”空间计划,是一九七三年七月三十一日欧洲空间会议上决定的。由下列十国参加投资: 国别投资—德国 20.12％—比利时 5.00％—丹麦 0.50％
1. The “Arian” plan to develop the “Arian” space plan was decided at the European Space Conference on July 31, 1973. Investing in the following ten countries: Country Investment - Germany 20.12% - Belgium 5.00% - Denmark 0.50%