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对于识别度高、横向延伸较远且具有特殊地质意义的一个或多个单层所划分的岩石地层单位。
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Night Visits to Hundreds of Families
Night Watch
N.I.Gnedich
nigrescent
nigrine
Ni Guangnan
NIH
Nihal
Ni-hard cast iron
Nihewan fauna
Nihewan Formation
Nihewanian Stage
Nihewan Sites
NIH guidelines for research involving recombinant DNA molecules
nihilism
nihonium
nihon kanshibun/Japanese-Chinese poetry
Nihon Keizai Shimbun
Nihon-Rōdōsōdōmei
Nihon University College of Art
Ni Houzhan's Theory of Calligraphy
Ni Huanzhi
Ni Huiying
NII
Niigata
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