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据新上任的俄罗斯宇航局局长Yuri Koptev说.如果能源号重型大推力运载火箭和暴风雪号航天飞机不能国际商业化.那么在今后四年中.他们
According to Yuri Koptev, the newly appointed director of the Russian space agency, if the energy giant heavy lift vehicle and the space shuttle were not commercially commercialized, then for the next four years they