机构:

“IS”是“InterSwitch”的缩写，意思是“互通开关”

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“ISA”是“International Standardization Agreement”的

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“ISA”是“Inter-Service Agreement”的缩写，意思是“军种

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“ISB”是“Intermediate Staging Base”的缩写，意思是“中

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“ISDB”是“Integrated Satellite Communications

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“ISG”是“Information Synchronization Group”的缩写，

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“ISMCS”是“International Station Meteorological

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“ISMMP”是“Integrated Continental United States

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“ISN”是“Bureau of International Security and

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“ISN”是“Internment Serial Number”的缩写，意思是“实

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