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A class of affine nonlinear system of single input-single output is investigated. Firstly, the nonlinear system is transformed into an equivalent linear system through a diffeomorphism transformation. The networked control problems for the delays are constant, stochastic and shorter than a sampling period, and long and stochastic are investigated respectively.

针对一类单输入-单输出仿射非线性系统，首先通过微分同胚变换实现了仿射非线性系统的无反馈精确线性化；然后基于精确化线性模型，分别讨论网络延时为常时滞，随机时滞小于一个采样周期和随机长时滞情况的控制问题。

This paper investigates topological properties of the general gradient system, and demonstrates by results of differential topology that the boundedness of the general gradient system is equivalent to the boundedness of the potential energy boundary surface. Moreover, a general gradient system is bounded if, and only if the system has both sink point and source point.

该文研究了广义梯度系统的拓扑性质，应用微分拓扑学原理证明，广义梯度系统的完全稳定性与势能界面的有界性是等价的；广义梯度系统完全稳定当且仅当该系统既有渊点又有源点。

In this paper, a discretization equivalent method of digital network design is given.

摘 要 给出数字网络的一种等效设计方法。

Based on some influential theories of the structure analysis of codeswitching, such as free morpheme constraints, equivalent theory and matrix language frame model, and so on, the author puts forward a pattern, which takes the MLF Model as the basic theoretical frame, considers the concrete situations, and divides the Chines-English codeswitching into intrasentential codeswitching, intersentential codeswitching, and diglossia codeswitching.

并在分析一些语码转换结构研究上较有影响的理论基础上，如自由词素限制、对等限制、母体语言模式等，提出了以母体语言模式为基本理论框架，并与中英语码转换的具体情况相结合的中英语码转换分类模式，即句内转换、句际转换和双语转换。

Equivalent of a dinner bell, alerting mosquitoes that a warm meal is within range.

排放出的气味就像开胃剂一样在空气中流动，对于蚊子来说等同于开饭的铃声，提醒它们附近有热腾腾的美餐。

The appetizing stir is the olfactory equivalent of a dinner bell, alerting mosquitoes that a warm meal is within range.

排放出的气味就像开胃剂一样在空气中流动，对于蚊子来说等同于开饭的铃声，提醒它们附近有热腾腾的美餐。

The dioptric equivalent of the near point of emmetropiais the amplitude of accommodation.

1正视眼近点的等效焦度称为调节幅度。

On each subspace the Dirac equation is equivalent to a two dimensional system of ordinary differential equations of first order.

在每一个子空间中狄拉克方程等效为一阶线性微分方程组的两个空间系统。

In this paper, the method of determining the net charge value of ions in ionic crystal is posed by solving the equivalent lattice Dirac equation.

提出了一种求解离子晶体等价格点的单粒子离子Dirac方程方法，确定离子晶体的点电荷电量。

Diffraction is the process by which sound waves experience a change in their direction of propagation after encountering an obstacle; it is equivalent to a bending effect.

衍射是声波遇到障碍物后改变其传播方向的一种过程，相当于一种弯曲作用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。