线性或非线性(Linear or nonlinear) ⇒D.E 中(未知函数之间)或(未知函数与其导函数之间)无相互乘积函数及导 函均为一次,成为线性O.D.E.,否则即称为非线性O.D.E.
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The state variable approach of modern control theory provides a uniform and powerful method of representing systems of arbitrary order, linear or nonlinear, with time-varying or constant coefficients.
现代控制理论的状态变量法提供了一种统一、高效的方法来描述具有任意阶次、线性或非线性、时变或常系数的各种系统。
Oscillatory system can be broadly characterized as linear or nonlinear.
振荡系统可大致上区分为线性和非线性两种。
The second variation, linear or nonlinear, gives the criteria of instability.
无论线性或非线性二阶变分都给出不稳定性判据。
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