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漂浮烟雾信号（floating smoke signal）是一种用来在水上进行通信的方法。它通常是通过在水上放置一个能够产生烟雾的装置，或者是通过放置一个烟雾发生器来产生烟雾的。烟雾信号通常用来在水上传递危急信息，或者是在水上搜救行动中作为
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