By discussing the identification equation of submarine searching, and common characteristics of search methods, a simple mathematic searching model for dipping sonar is given.

分析了吊放声纳发现判决方程、各种搜潜方法的共性特征，在此基础上将探测、发现目标的问题逐步转换成易于求解的数学模型。

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Several Coast Guard cutters, the Honduran Navy and FBI dive teams then used side-sonar equipment to search for the sunken submarine-like vessel, which was located on July 26.

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