marine policy

例句：

1. 1.The government's marine policy is to protect the ocean environment and promote sustainable development.
   政府的海洋政策是保护海洋环境并促进可持续发展。
2. 2. The new marine policy will require all ships to have a certain level of pollution control equipment.
   新的海洋政策将要求所有船只都配备一定级别的污染控制设备。
3. 3.The marine policy has been implemented in many countries, but some still face challenges in implementing it effectively.
   海洋政策已在许多国家实施，但一些国家在有效执行方面仍面临挑战。