机构:

“OET”是“Office of Emergency Transportation (DOT)”

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“OF”是“Officer (NATO)”的缩写，意思是“Office (NATO)”

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“OFCO”是“Offensive Counterintelligence Operation”

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“OFDA”是“Office of US Foreign Disaster Assistance”

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“OFHIS”是“Operational Fleet Hospital Information

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“OFOESA”是“Office of Field Operational and

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“OGS”是“Overseas Ground Station”的缩写，意思是“海外

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“OHDACA”是“Overseas Humanitarian, Disaster, and

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“OHDM”是“Office of Humanitarian Assistance,

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“OI”是“Office of Intelligence (USCS)”的缩写，意思是

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