Today, the space station?s exterior structure is as long as an American football field and it has about the same internal living space as a Boeing 747 jumbo jet.
今天空间站的外面结构长度约有一个美式足球场一般长,而内部的生活空间约像一架波音七四七珍宝客机般大。
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Airlines often specify customised fittings for the interiors of their aircraft; Airbus prints internal cabin fittings for some variants of its new A350XWB commercial jet, for instance.
It is useful in understanding nozzle internal and external flow field and impinging jet parameter distribution. It is also helpful for optimal design of nozzle internal structure.