目前,标准的近岸巡逻舰艇在许多国家的海军和海岸警备队中已得到越来越普遍的推广,这主要因为该种舰艇在行使作战舰艇职能的同时,还能担负许多传统任务,如监督捕捞作业,特别经济区的巡逻和警戒,保护固定的海上设施,海上缉毒缉私,保护海洋环境等。具有符合要求的优良适航性是近岸巡逻舰艇的最重要的特点。提高适航性一般可由加大吃水深度来实现,但 At present, standard coastal patrol ships are gaining more and more widespread use in naval and coast guards in many countries, mainly because of their ability to carry out the functions of combat ships and to carry out many traditional tasks such as supervision Fishing operations, patrolling and vigilance in special economic zones, protection of fixed marine installations, anti-seining and anti-smuggling activities at sea, and protection of the marine environment. The excellent airworthiness that meets the requirements is the most important feature of nearshield patrol ships. To improve airworthiness generally can be achieved by increasing the depth of draft, however