imitates fish-tail

And the character of promotion mode of the fish, the essential character and application prospect of propulsor that imitates fish-tail are simply introduced.
簡(jiǎn)單介紹了魚(yú)類推進(jìn)模式的特點(diǎn)、倣生魚(yú)尾推進(jìn)器的基本特征和應(yīng)用前景。