机构:

“IR”是“Information Requirement”的缩写，意思是“信息

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“IR”是“Intelligence Requirement”的缩写，意思是“情报

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“IRA”是“Provisional Irish Republican Army”的缩写，

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“IRAC”是“Interdepartment Radio Advisory Committee”

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“I/R”是“BN Internment/resettlement Battalion”的缩

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“IRC”是“International Red Cross”的缩写，意思是“国际

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“IRCCM”是“Infrared Counter Countermeasures”的缩写，

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“IRDS”是“Infrared Detection Set”的缩写，意思是“红外

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“IRF”是“Immediate Reaction Forces”的缩写，意思是“即

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“IRF”是“Incident Response Force”的缩写，意思是

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