No simplification and assumption is made during the procedure of derivation to express the coupling and nonlinear characteristic 在推导的过程中未对方程作任何简化以体现系统得耦合非线性特征。
2.
There are no simplification and assumption in the procedure of derivation to make sure to express the coupling and nonlinear characteristics 在推导的过程中未对方程进行任何简化以保证体现系统的耦合非线性特征。