鱼类等水生动物具有非凡水中游动能力，其推进和操纵系统的突出优点是高效率、低噪声、良好机动性。

Fish and such swimming animal have excellent propulsion and maneuvering system, whose advantages are high efficiency and low noise.

youdao

鱼类等水生动物具有非凡水中游动能力，其推进和操纵系统的突出优点是高效率、低噪声、良好机动性。

Fish and such swimming animal have excellent propulsion and maneuvering system, whose advantages are high efficiency and low noise.

youdao