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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。
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New Dreams of Red Mansions
new drug application
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new ecological paradigm
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New economic history
New Edition of Photography
New Edition of the Five Rites in the Zhenghe Era
New Edition of Zhenghe-Edition Dictionary of Medical Herbs, Huimingxuan block-printed edition by Zhang Cunhui (1249), fourth year of the reign of Emperor Dingzong
new energy
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new environmental paradigm scale
New Era City Planning
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