maritime sovereignty

例句：

1. 1. The country's maritime sovereignty is under threat due to the increasing sea traffic.
   由于海上交通的增加，该国的海洋主权正受到威胁。
2. 2. The maritime sovereignty of the coastal states is crucial for their economic development.
   沿海国家的海洋主权对其经济发展至关重要。
3. 3. The maritime sovereignty dispute between two countries has been a long-standing issue in international relations.
   两国之间的海洋主权争端一直是国际关系中的一个长期问题。