相比之下,今天的最大的商业运载火箭,如阿丽亚娜五号或三角洲四号重型,在近地轨道只能运载20多公吨。
By comparison, today's biggest commercial launch vehicles, such as the Ariane 5 or the Delta IV Heavy, can put just over 20 tonnes in LEO.
相比之下,今天的最大的商业运载火箭,如阿丽亚娜五号或三角洲四号重型,在近地轨道只能运载20多公吨。
By comparison, today's biggest commercial launch vehicles, such as the Ariane 5 or the Delta IV Heavy, can put just over 20 tonnes in LEO.
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