“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	indicator indicator based simulation indicator blank indicator diagram indicator dissociation constant indicator electrode indicator element indicator function indicator function of an event indicator matrix indicator method indicator microorganism indicator of a set indicator of fishing vessels and gears indicator organism indicator organism for atmospheric pollution indicator organism for water pollution indicator plant indicator-rod indicators of groundwater genesis indicator species indicator species of marine pollution Indicator System indicator transition point indicator variable

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