“whistle board”的概念、定义、翻译、参考文献-科学参考

单词	whistle board
释义	whistle board 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	Cantonese Opera Cantonese Opera Art Center Theatre of Guangdong Province Cantonese Opera Art Museum Cantonese opera film Cantonese opera film history Cantonese opera music Cantonese Opera Troupe of Guangdong Province Cantonese Opera Troupe of Nanning City Canton-Hong Kong opera troupes canton love-pea vine Canton Photographic Society CantonTower Cantor Cantor algebra Cantor axiom Cantor-Bernstein theorem Cantor comb Cantor complete set Cantor continuum hypothesis Cantor crater Cantor curve Cantor-Dedekind axiom Cantor diagonal argument Cantor diagonal method Cantor discontinuum

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