“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	declination /inclination magnetometer declination parallel declination photography declination setting circle declinatoire decline curve type of gas wells decline cycle decline phase declining phase declinometer declivity declutch DECO decoagulant decocted earlier decocted later decocted separately decocting decocting method of Chinese medicinals decoction decoct with water and then remove scraps，and add the other medicinals into the strained liquid to decoct again decodability decodable decodable code decode

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