“鸣笛标”的概念、定义、翻译、参考文献-科学参考

单词	鸣笛标
释义	鸣笛标 Encyclopedia 工学水运交通指示释 whistle board鸣笛标设在通航控制河段或上、下行船舶不能相互通视的急转弯的上下游两端河岸上，指示船舶鸣笛的水上助航标志。
随便看	join-isomorphism join of complexes join of graphs join of projective spaces join of sets join of simplexes join of spaces join of topological groups join of topological spaces join operation join operator join optimization join point join-preserving homomorphism join-preserving mapping join-reducible element join representation join semi-lattice join-stable joint joint action joint action effect joint action of chemicals joint action of toxicant joint analysis

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