文中，基于系统工程的观点，把弯曲、扭转和偏转自由度纳入一个统一的数学模型中。

In this paper, three degrees of freedom, bending, torsion and rotation, are included simultaneously in one mathematical model, from systems engineering viewpoint.

youdao

文中，基于系统工程的观点，把弯曲、扭转和偏转自由度纳入一个统一的数学模型中。

In this paper, three degrees of freedom, bending, torsion and rotation, are included simultaneously in one mathematical model, from systems engineering viewpoint.

youdao