“MRT”是“Migrant Resource Teacher”的缩写，意思是“流

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“NACOL”是“North American Council of On-line

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“NBA”是“National Braille Association”的缩写，意思是

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“NCREL”是“North Central Regional Educational

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“NCTM”是“National Council of Teachers of English”

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“NES”是“Non-English Speaking”的缩写，意思是“非英语

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“NPS”是“Non-Public Nonsectarian School”的缩写，意思

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“NSSEA”是“National School Supply and Equipment

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“NWREL”是“NorthWest Regional Educational

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“OCD”是“Office of Child Development”的缩写，意思是“

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