national museum of natural history

national multiple sclerosis society

national mourning 國(guó)喪

national monuments

national monument 國(guó)立紀(jì)念物，國(guó)家歷史文物

national monopoly [經(jīng)] 國(guó)家壟斷；國(guó)家專利

national money income [經(jīng)濟(jì)學(xué)]國(guó)民貨幣收入

national minority aids council

national minority 少數(shù)民族

national military strategy [軍事學(xué)]國(guó)家軍事戰(zhàn)略

national military joint intelligence center [軍事學(xué)]國(guó)家軍事聯(lián)合情報(bào)中心

national meteorological satellite system [交通運(yùn)輸工程]國(guó)家氣象衛(wèi)星系統(tǒng)

national measurement standard [數(shù)學(xué)]國(guó)家量測(cè)標(biāo)準(zhǔn)

national map grid [地球科學(xué)]國(guó)立地図格子

national mall and memorial parks

national literacy trust

national life finance corporation

national library 國(guó)家圖書館

national liberation war 民族解放戰(zhàn)爭(zhēng)

national liberation 民族解放