“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	Software Vulnerability Software Watermarking soft water softwood soft work soft X-ray soft X-ray background soft X-ray emission soft X-ray emission spectrum soft X-ray laser soft X-ray object soft X-ray repeater soft X-ray source soft X ray spectroscopy soft X-ray spectroscopy soft X-ray transient soft X-ray tube soft yellow green soft yoke mooring system soft γ-ray burst repeater soft γ-ray repeater soft γ-ray source soft γ-ray transient SOG Soga Monogatari

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