“United States naval observatory time”的概念、定义、翻译、参考文献-科学参考

单词	United States naval observatory time
释义	United States naval observatory time Encyclopedia 工学时间系统释 United States naval observatory time；USNO美国海军天文台时美国海军天文台（USNO）产生和保持的协调世界时（UTC），也是美国国防部的标准时间。
随便看	nitrogen cycle nitrogen cycling nitrogen deposition nitrogen deposition experiment nitrogen dioxide nitrogen dioxide photolysis nitrogen dioxide pollution nitrogen fertilizer nitrogen fixation nitrogen fixation by free-living bacteria nitrogen fixation; fixation of nitrogen nitrogen-fixing bacteria nitrogen-fixing microorganisms nitrogen flooding nitrogen-free extracts nitrogen in coal nitrogen inversion Nitrogen isotope Geochemistry Nitrogen loss from body surface nitrogen metabolism nitrogen mineralization nitrogen monoxide nitrogen monoxide synthase nitrogen monoxide synthase (NOS) nitrogen narcosis

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