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护卫舰(frigate)是以导弹、舰炮和反潜鱼雷为主要武器的中小型水面战斗舰艇,是海军战斗舰艇中数量较多、用途较广的重要舰种。按排水量护卫舰可分为轻型护卫舰(600～1800吨)和远洋护卫舰(1800吨以上)。轻型护卫舰主要保卫近海海区；远洋护卫舰主要在海洋
Frigate is a small and medium-sized surface combatant with missiles, naval guns and anti-submarine torpedoes as the main weapon. It is a large number and extensive use of naval combat ships. By displacement of frigates can be divided into light frigate (600 ~ 1800 tons) and ocean frigate (1800 tons and above). Light frigate to defend the offshore sea; ocean frigate is mainly in the ocean