“OI”是“Operating Instruction”的缩写，意思是“使用说

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“OI&A”是“Office of Intelligence and Analysis (DHS)

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“OICC”是“Officer In Charge of Construction”的缩写，

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“OICC”是“Operational Intelligence Coordination

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“OID”是“Operation Order (OPORD) Identification”的

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“OIR”是“Operational Intelligence Requirements”的缩

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“OIR”是“Other Intelligence Requirements”的缩写，意

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“OLD”是“On-Line Tests and Diagnostics”的缩写，意思

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“OLS”是“Optical Landing System”的缩写，意思是“光学

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“OM”是“Contour Multiunit”的缩写，意思是“等高线多单

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