“UFO”是“UHF (Ultra-High Frequency) Follow-On”的缩

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“UFR”是“Unfunded Requirement”的缩写，意思是“无资金

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“UGA”是“Ungoverned Area”的缩写，意思是“不治理区”

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“UGIRH”是“Urban Generic Information Requirements

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“UGM-84A”是“Harpoon”的缩写，意思是“鱼叉”

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“UGM-96A”是“Trident I”的缩写，意思是“三叉戟I”

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“UHV”是“Upper Huallaga Valley”的缩写，意思是“上华拉

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“UICIO”是“Unit Identification Code Information

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“UIRV”是“Unique Interswitch Rekeying Variable”的缩

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“UK(I)”是“United Kingdom and Ireland”的缩写，意思是

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