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spaceflight tracking and data network
earth.sc.
空间飞行跟踪与数据网
美国国家航宇局
space
航天跟踪和数据网
(美国国家航空航天局)
spaceflight tracking and data networks
avia.
空间飞行跟踪和数据网
English thesaurus
Spaceflight Tracking and Data Network
abbr., astronaut.
STDN
(NASA)
NASA, abbr.
STDN
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