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化工的科学研究、生产建设和市场经济活动的成果和情况的记录。包含和积累化工领域有用的事实、数据、理论、定义、定律、定理、技术、方法、构思和设想,记载许多成功或失败的经验和教训,反映一定时期化工生产建设、科学技术和市场经济的发展和水平,并提示未来发展的趋势和方向。
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North Galactic Cap
north galactic-polar spur
North Galactic Pole
north galactic spur
North Gas Field
North German Confederation
North-Guangdong Subgroup of Hakka Dialects
north heliographic pole
North Hot Spring Park
North Institute for Scientific and Technical Information
North Island
north levee of Hutuo river
North Macedonia
North Maluku
North Manchurian Plague Prevention Service
north north temperate belt
North Pacific Anadromous Fish Commission
North Pacific Coast Guard Forum
North Pacific currents
North Pacific Gyre Oscillation
North Pagoda at Chaoyang
North Pagoda at Shaoyang
north point
North Polar Basin
north polar distance
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