以弓 meaning in Chinese

hunt with bows and arrows

The undulatory dorsal / median fin propulsion modes as represented by amiiform and balistiform fish are of great significance for bionic propulsion research , particularly for the design and control of underwater vehicles , which are generally employed at slow speeds , offering greater maneuverability and better propulsive efficiency
以弓鳍目和鳞?科鱼类为代表的背鳍/背臀鳍波动推进模式对于水下仿生推进器研制具有相当重要的参考价值。