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海洋声会聚区
释义
海洋声会聚区
Encyclopedia
理学
水声探测
释
ocean convergence zone
海洋声会聚区
在水下声道中,由于声线的折射和海面的反射出现焦散线(声线族的包络线)并与海面相交,在焦散线附近形成的高声强区域。其强度的峰值,比球面扩展传播损失后的强度值通常要高10~15分贝。
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group of finite order
group of finite rank
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group of homeomorphisms
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group of invertible elements
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