“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	age-friendly city age-friendly community age-friendly environment age groups age hardening age-hardening age heaping age identification of crude drug ageing ageing box ageing drum ageing factor ageing management of main components in reactor coolant system ageing management of nuclear power plant ageing of insulating material ageing of insulation ageing of polymer ageing process ageing society ageing star ageing work ageism age makeup styling age-metallicity relationship Agena

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