“SMAG”是“Star Magnitude”的缩写，意思是“星等”

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“SMART”是“Item Review Tracking”的缩写，意思是“项目

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“SMATV”是“Satellite Master Antenna Television”的缩

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“SMB”是“Space Meteorology Branch”的缩写，意思是“空

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“SMC”是“Scientific Manpower Commission”的缩写，意思

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“SMCC”是“Shuttle Mission Control Center”的缩写，意

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“SMCH”是“Standard Mixed Cargo Harness”的缩写，意思

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“SMCS”是“Separation Monitor and Control System”的

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“SMCU”是“Separation Monitoring Control Unit”的缩写

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“SMD”是“Spacelab Mission Development”的缩写，意思是

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