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national space science data center
avia. 国家空间科学数据中心
National Space Science Data Center
earth.sc. 国家空间科学数据中心美
el. 国家航天科学数据中心
space 国家空间科学资料中心 (美国国家航空航天局)
National space Science Data Center
space 国家空间科学资料中心
 English thesaurus
National Space Science Data Center
ecol., abbr. NSSDC
IT, abbr. NSSDC (Space)

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