They have large, black eyes, tapir-like snouts, long flexible fingers terminating in suction cups, twin saucer-like sensory organs atop their heads, and a ridge of spines cresting their skulls.
The six degrees of freedom dynamic equation of a kind of mass-controlled and thrust vectoring-controlled saucer-like air vehicles without tailes, wings and rudders was derived for the first time.
首次推导了基于质量控制和推力矢量控制的一类无尾无舵翼碟形飞行器的空间六自由度运动动力学方程。
3
Other vehicles, like Vimanas, were saucer shaped, and could apparently also be submerged.