“ORSA”是“Operations Research and Systems Analysis”

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“OSAT”是“Out-Of-Service Analog Test”的缩写，意思是“

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“OSC”是“Offensive Space Control”的缩写，意思是“进攻

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“OSC”是“On-Site Commander”的缩写，意思是“现场指挥官

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“OSC”是“Operational Support Command”的缩写，意思是“

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“OSCE”是“Organization For Security and Cooperation

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“OSE”是“On Scene Endurance”的缩写，意思是“现场持久

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“OSE”是“Operations Support Element”的缩写，意思是“

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“OSEI”是“Operational Significant Event Imagery”的

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“OSG”是“Operational Support Group”的缩写，意思是“作

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