“position indicating mark”的概念、定义、翻译、参考文献-科学参考

单词	position indicating mark
释义	position indicating mark Encyclopedia 工学水运交通指示释 position indicating mark示位标设在湖泊、水库、水网地区或其他宽阔水域与重要航道附近，标示岛屿、浅滩、礁石及通航河口等特定位置，供船舶定位或确定航向的水上助航标志，又称灯塔。在内河航道可以为各种形状的塔形体。塔身外涂有显明的颜色，便于船舶识别。
随便看	Microwave amplification by stimulated emission of radiation microwave amplification by stimulated emission of radiation microwave amplification by stimulated emission of radiation, maser microwave and radio frequency spectroscopy microwave anechoic chamber microwave antenna microwave application microwave applicator microwave assisted deposition microwave assisted extraction microwave-assisted extraction microwave-assisted leaching microwave assisted reaction microwave assisted solvent extraction microwave-assisted solvent extraction microwave astronomical satellite microwave attenuation material microwave attenuation metrology microwave background microwave background radiation microwave background radiation, MBR microwave background rest frame microwave burst microwave calorimeter microwave catalytic oxidants

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