“navigation aids”的概念、定义、翻译、参考文献-科学参考

单词	navigation aids
释义	navigation aids Encyclopedia 工学水上安全保障释 navigation aids航标设置于海上、海岸或江河的易见处，以特定的标志、灯光、音响或无线电信号，用以帮助船舶定位、引导船舶航行、表示警告和指示碍航物的人工标志。全称助航标志。
随便看	Hebei Wulingshan National Nature Reserve Hebei yangge music Hebei Yinheshan Shengji Ziran Baohuqu Hebei Yudaokou Provincial Nature Reserve Hebei Zhangshiyan Shengji Ziran Baohuqu Hebei Zhengding Longxing Temple Zhuanlun Tibetan Hall repair project Heber approximation Hebesphenomegacorona Hebian Folk Museum Hebi Museum He Bingfu He Binglin He Bingsong He Bi Nong yi Hebi Shi HEB mixer He Bo Hebrew Hebrew Historical and Biographical Literature Hebrew language Hebrew Literature Hebrew Myths and Legends Hebrew Narrative Literature Hebrew Poetry Hebrew Prophetic Literature

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