“SIS”是“Software Integrated Schedule”的缩写，意思是

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“SIS”是“Standard Interface Specification”的缩写，意

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“SIS”是“Superconducting-Insulating-Superconducting

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“SIS”是“Systems Integration Schedule”的缩写，意思是

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“SISS”是“Scientific Instrument Support Structure”

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“SISWG”是“STS Integrated Schedule Working Group”的

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“SIT”是“Shuttle Integrated Test”的缩写，意思是“航天

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“SIT”是“Shuttle Interface Test”的缩写，意思是“穿梭

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“SIT”是“SITuation”的缩写，意思是“情况”

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“SIT”是“Software Integration Test”的缩写，意思是“软

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