“SIT”是“SSV (Space Shuttle Vehicle) Integrated

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“SIU”是“Signal Interface Unit”的缩写，意思是“Signal

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“SIV”是“Sieve”的缩写，意思是“筛子”

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“SIVE”是“Shuttle Interface Verification Equipment”

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“SKD”是“Singer, Kearfott Division”的缩写，意思是“基

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“SKIRT”是“Shuttle Kientic Infrared Test”的缩写，意

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“SL”是“Sea Level”的缩写，意思是“海平面”

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“SL”是“Seal”的缩写，意思是“印章”

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“SL”是“Service Level”的缩写，意思是“服务水平”

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“SL”是“Shelf Life”的缩写，意思是“货架寿命”

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