patrol ship

Two Chinese surveillance ship fleets started patrol and law enforcement around Diaoyu Islands and its affiliated islets on Friday morning.

周五早上，两艘中国海监船开始围绕钓鱼岛及其附属岛屿进行维权巡航执法。

HMS Endurance, the Royal Navy's ice patrol ship.

援军是英国皇家军舰坚忍号皇家海军的巡逻舰

Jiang Long is the captain of Sea Patrol Number 1, which is China's biggest and most advanced maritime ship. It's been responsible for carrying out a lot of rescue missions.

姜龙是“海巡01”轮的船长，一号海上巡逻舰的船长，“海巡01”是目前中国规模最大、装备最先进的海事公务船，多次参与重大救援行动。

According to the Yonhap, a DPRK patrol ship crossed South Korea's Northern Limit Line ( NLL), leading the South Korean Navy to fire warning shots.

报道说，当天上午，朝鲜一艘警备艇越过“北方限制线”，韩国海军“进行了警告射击”，但朝鲜警备艇“置之不理继续南下”，韩国方面开火射击，朝鲜方面进行了回击。

The course-keeping ability of a naval patrol ship in following waves is analyzed by means of a practical approach consisting of semi-captive model test, semi-empiric numeric modeling, and numerical simulation.

本文用半约束模型试验技术、半经验数值模型和数值模拟实用方法分析了一艘巡逻艇在随浪中的航向保持能力。