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俄罗斯联邦航天署宣布,2009年俄罗斯将大幅增加向国际空间站发射航天器的次数,4艘“联盟”号载人宇宙飞船和5艘“进步”号运载飞船将进入轨道。之所以制订如此紧张的
The Russian Federal Space Agency announced that in 2009 Russia will substantially increase the number of launches of spacecraft to the International Space Station, and that four “Soyuz” spacecraft and five “Progress” spacecraft will enter orbit. The reason why so nervous