舰载直升机在南海海域吊放声纳进行反潜演练（2月2日摄）。由海军北海舰队3艘军舰组成的中国海军舰艇编队连日来在南海海域重要岛礁间进行战备巡逻，开展多课目海上演练，并进行海上补给。编队7日夜间通过巴士海峡，继续在西太平洋海域进行远海训练。新华社记者黎云摄     Carrier helicopter in the south China sea are dipping sonar antisubmarine drills(On February 2 perturbation).By the north sea fleet of warships three Chinese naval ship formation in recent days in the south China sea between important reef combat patrol,Subjects developing offshore drilling,And replenishment at sea.Formation 7 night through the bashi channel,Continue in the western Pacific waters open sea training.The xinhua news agency LiYun perturbation

舰载直升机进行起飞前准备（2月2日摄）。新华社记者黎云摄 Carrier helicopter to prepare before departure(On February 2 perturbation).The xinhua news agency LiYun perturbation