“SG”是“Signal Generator”的缩写，意思是“信号发生器”

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“SGC”是“Stabilized Ground Cloud”的缩写，意思是“稳定

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“SGGM”是“Superconducting Gravity Gradiometer

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“SGL”是“Space Ground Link”的缩写，意思是“空间地面链

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“SGLS”是“Space Ground Link Station”的缩写，意思是

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“SGLS”是“Space Ground Link System”的缩写，意思是

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“SGMT”是“Simulated Greenwich Mean Time”的缩写，意思

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“SGOS”是“Shuttle Ground Operations Simulator”的缩

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“SGP”是“Single Ground Point”的缩写，意思是“单接地点

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“SGS”是“Space Gateway Support”的缩写，意思是“空间网

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