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NASA Communications Operating Procedures
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espac.
国家航空航天局通信操作程序
(美国)
NASA communications operating procedures
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aviat.
国家航空和航天局通信操作程序
états., espac.
国家航空航天局通信操作程序
Anglais glossaire
NASA Communications Operating Procedures
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abrév.
NASCOP
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