“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	action for alteration action for invalid corporate resolution action for retrial action for revocable corporate resolution Action Front for Renewal and Development action function action functional action game action-implicative discourse analysis action integral Action Learning action learning action level action-minimizing measure action-minimizing orbit action notation action of a group action of an algebra action of an operator action of classical field and action principle action of drama action of group action of objection to distribution scheme action of objection to enforcement Action of Safeguarding Madrid

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