duff

He sold me a duff radio .

他卖给我一台不响的收音机。

Sometimes you have to take a duff job when you need the money .

有时你需要钱，于是不得不干一份烂工作。

Duff soon mastered the skills of radio production

达夫很快掌握了广播节目制作的技能。

Duff said he would be demanding a rematch .

达夫说他将要求重赛。

If you compare duff 's work with tom 's you will find many differences .

如果你把达夫的作品和汤姆的相比较，你会发现有许多区别。

Duff called me in the course of our conversation .

在我们谈话时，达夫打电话给我。

Duff would not listen to his father 's advice , but took his own course .

达夫一意孤行，不愿意听他父亲的建议。

When Duff lost the race , it was cold com-fort to him to hear that he could try again in two weeks .

当达夫输掉了比赛时，两周后可再次比赛对于他来说算不上什么安慰。

Duff is being groomed for the lob of manager .

达夫正接受训练，准备当经理。

Duff is being groomed for the job of manager .

达夫正接受训练，准备当经理

Research on power quality detection method based on duffing oscillator

基于Duffing振子的电能质量检测方法研究

The Calculation and Analysis of Nonlinear Vibration Characteristics with Duffing Equation

Duffing方程非线性振动特性的计算与分析

Research on recognition of chaos motion and its application to Duffing system

混沌运动的定量与定性分析方法研究及其在Duffing系统中的应用

A new method of studying Duffing system driven by weak white noise

研究弱白噪声驱动下的Duffing系统的新方法

Study on the DC System Ground Fault Detection Based on Duffing Oscillator

Duffing振子在直流系统接地故障检测中的应用研究

Fuzzy model and chaotic control of complex Duffing system

复域Duffing系统的模糊模型及混沌控制

A Chaos Control Based on State Observer for Duffing System

一种基于状态观测器的Duffing系统的混沌控制

Simulation Software of Chaos Dynamics System in Duffing Equation Using VB

用VB开发Duffing方程混沌动力学系统仿真软件

The tracking control of Duffing 's chaotic system is considered .

对Duffing系统进行控制，使之能够追踪任意参考信号。

Application of Duffing System in Detecting Faint Characteristics Signal Of Structural Damage

杜芬系统检测微弱特征信号的方法及应用

A Nonlinear State Feedback Approach to the Control and Synchronization of Duffing System

Duffing系统的非线性反馈同步控制

Two Methods of Weak Signal Detection of Duffing Oscillator and their Difference

Duffing振子的两种检测微弱信号的方法及区别

On the Existence of Solutions of Boundary Value Problems of Duffing Type Systems

Duffing型方程组的边界值问题的解的存在性

The results show that the bending motion equation is the Duffing one .

结果表明：传动轴的弯曲运动方程是Duffing方程；

A nonlinear state feedback control and synchronization method is proposed for Duffing chaotic system .

对Duffing混沌系统进行非线性反馈控制，设计出一种含参控制器，使得受控Duffing系统的某一状态变量与任意给定的参考信号同步。

Carrier detection method of direct sequence spread spectrum signals based on Duffing oscillator

基于Duffing振子的直接序列扩频信号载波检测方法

Monitor system of arcing faults based on Duffing oscillator signal detection

基于Duffing振子信号检测的故障电弧短路监测系统

A Study of Symmetry Breaking and Reverse Bifurcation in Duffing System

Duffing系统对称破缺分岔及其逆分岔研究

Analysis of drive input white noise effect on movement of a Duffing oscillator

驱动输入白噪声对Duffing振子运动影响分析

Detection and Parameter Estimation of Weak Chirp Signal Using Duffing Oscillator

基于Duffing振子的弱Chirp信号检测与参数估计