“ASDA”是“American Stamp Dealers Association”的缩写

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“PHS”是“Postal History Symposium”的缩写，意思是“邮

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“EKU”是“Earliest Known Use”的缩写，意思是“最早已知

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“MPO(s)”是“Metropolitan Planning Organization(s)”

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“AMPO”是“Association of Metropolitan Planning

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“OLSM”是“Orchard Lake School of Music”的缩写，意思

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“EST”是“Everyone Stands Together”的缩写，意思是“大

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“HHMI”是“Howard Hughes Medical Institute”的缩写，意

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“MRA”是“Migration and Refugee Assistance”的缩写，意

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“MRA”是“Moral Re-Armament”的缩写，意思是“Moral Re

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