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四、日本日本全年进行了3次航天发射。H-2B型火箭1月份发射了为国际空间站运送补给的“H-2转移飞行器”(HTV)2货运飞船。日还在建造5艘HTV飞船,拟在2016年前大致每年发射一艘。H-2A型火箭分别在9月和12
Fourth, Japan Japan conducted three rounds of space launch throughout the year. The H-2B rocket launched its “H-2 Transfer Aircraft” (HTV) 2 cargo spacecraft for supplies to the International Space Station in January. Japan is still building five HTV spacecraft to be launched roughly one by 2016. H-2A rocket in September and 12 respectively