天文学专业英语词汇翻译
N型星 N starN型星系 N [type] galaxyN—星等 N-magnitude天底 nadir天底距 nadir distance天底读数(垂直度盘) nadir reading碘化钠侦测器 NaI (Tl) detector裸奇点 naked singularity肉眼观测 naked-eye observation奈秒；毫微秒 nanosecond (10-9 second)狭带滤[光]镜；狭带滤波器 narrow band filter自然半宽 natural half-width自然致宽(谱线) natural line broadening固有振动；固有振荡 natural oscillation自然宽度 natural width航海历[书] nautical almanac航海天文[学] nautical astronomy航海曙暮光 nautical twilight那微—史托克方程式 Navier-Stokes equations航行；航海；导航 navigation地球基准导航 navigation by earth references空间[基准]导航 navigation by space references航海钟 navigation clock航海三角形(天文三角形) navigational triangle小潮 neap tide语际翻译 版权所有
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