axial rotor meaning in Chinese

轴向式转子

Based on the researches of shell and co - axial rotors , the aerodynamic characteristics of the helicopter in hovering are studied by means of the combination of momentum theory and blade element theory in this paper . an aerodynamic mathematical modeling has been established
在以上研究的基础上根据碟形无人直升机的设计要求，选择了该直升机的结构型式和总体参数，并对其性能进行了计算。