port regulations

例句：

1. 1.The port regulations are strict, requiring all ships to follow certain procedures.
   港口规定严格，要求所有船只遵守某些程序。
2. 2.The new port regulations have been implemented to improve safety and efficiency.
   新的港口规定已实施，以提高安全性和效率。
3. 3. The port regulations were updated to accommodate the growing number of container ships.
   港口规定已更新，以适应不断增长的集装箱船数量。