“ENL”是“enlist(ed)”的缩写，意思是“入伍（ED）”

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“NR”是“Not Relevant”的缩写，意思是“不相关”

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“NR”是“No Response”的缩写，意思是“无应答”

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“NA”是“Not Applicable”的缩写，意思是“不适用”

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“UNICEF”是“United Nations Children’s Fund”的缩写，

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“FAHA”是“Federal-Aid Highway Act”的缩写，意思是“联

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“FHFA”是“Federal Housing Finance Agency”的缩写，意

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“DODDS”是“Department of Defence Dependents Schools

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“ACE”是“Assessing Cost-effectiveness”的缩写，意思是

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“CDC”是“Centers for Disease Control and Prevention

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