“SP-FGS”是“Flight and Ground Systems Office of the

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“SPFP”是“Single Point Failure Potential”的缩写，意

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“SPG”是“Signal Point Ground”的缩写，意思是“信号点接

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“SPG”是“Single Point Ground”的缩写，意思是“单点接地

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“SPHER”是“Spherical”的缩写，意思是“球形的”

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“SPI”是“Standard Practice Instruction”的缩写，意思

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“SPI”是“Surface Position Indicator”的缩写，意思是“

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“SPIAP”是“Shuttle/Payload Integration Activities

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“SPICE”是“Spacelab Payload Integration and

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“SPIDF”是“Support Planning Identification File”的

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