海豚式 meaning in Chinese

dolphin stroke/kick

Dolphin butterfly stroke
海豚式蝶泳
The dolphin kick features both legs moving up and down together . no flutter kicking is allowed
海豚式打腿的特色是两腿同时向上和向下运动。不允许采用交替式打腿。
The most physically demanding stroke , the butterfly features the simultaneous overhead stroke of the arms combined with the dolphin kick
对身体条件最苛求的泳姿，蝶泳的特色是两臂同时越过头顶结合海豚式打腿。
The kick is a simultaneous thrust of the legs called a " frog " or breaststroke kick . no flutter or dolphin kicking is allowed
蹬腿就是两条腿同时蹬出，称之为“蛙”式腿或蛙泳腿，蹬腿时采用交替式打水或海豚式都是不允许的。
The ji nan destroyer is belonging to the north china sea fleet , this ship has been constructed in december , 1971 . in 1987 , a important renovate has been given to the ship , dismantling the cannon and deep water bombing systems on the rear deck , then adding the landing panel and hangar for 2 z - 9 dolphin type anti - submarine helicopter , the battle power is increased
“济南”号驱逐舰配属北海舰队， “济南”舰为051型导弹驱逐舰首舰， 1971年12月建成，在1987年对该舰作了进一步改进，拆除了后部甲板的舰炮和深水炸弹装置，增加了可容纳2架“直- 9a ”型海豚式反潜直升机的起降平台和机库，大大提高了作战能力。