marine demarcation survey

例句：

1. 1. Thegovernment conducted a marine demarcation surveyto determine the boundaries of the new park.
   政府进行了一次海洋界线调查，以确定新公园的边界。
2. 2. The marine demarcation survey was crucial in establishing theborder between the two countries.
   海洋界线调查在确立两国边界中至关重要。
3. 3. The marinedemarcation survey revealed that there weresignificant differences in the marine ecosystems betweenthe two regions.
   海洋界线调查揭示了两个地区之间海洋生态系统存在显著差异。