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护卫舰是以火炮、导弹和反潜武器为主要装备的中型或者轻型军舰。它主要被用于反潜和防空护航,以及侦查、警戒(jing jie)、巡逻(xun luo)、布雷、支援登陆作战等,有“海上守护神”和“海上警卫员”的美称。护卫舰的研制20世纪初的日俄战争中,日本舰艇(ting)多次闯入俄国海军基地,对俄国舰艇进行了多次袭击。后来,俄国就用驱逐(qu zhu)舰来完成巡
Frigates are medium or light warships mainly equipped with artillery, missiles and anti-submarine weapons. It is mainly used for anti-submarine and air defense escorts, as well as the investigation, jing, xun luo, mines, support landing operations, etc., have the reputation of “guardian of the sea” and “sea guard”. . Development of frigates In the Russo-Japanese War of the early 20th century, many Japanese ships (ting) broke into the Russian naval base and conducted numerous raids on Russian ships. Later Russia completed the patrol with a quzhu ship