系统函数

Thirdly,we discuss the invarant factors of this kind of matrix,and obtainthe normal form of Jacobi matrix under the sense of symplectic similar.

再次，讨论这种矩阵的不变因子，得出它们若不是奇函数则必定是或偶函数。最后给出了哈氏系统Jacobi矩阵在辛变换之下的标准形。

If pDC is NULL, the function creates a memory device context that is compatible with the system display.

如果pDC为空，函数会创建一个与系统显示兼容的内存设备环境

The numerator polynomial N is a function of how the input enters the system.

分子多项式 N是表征输入是如何进入系统的函数。

In this article the Green function theory, numerical methods for carrying out the self-energy calculations, simplified schemes, and applications to various systems are described.

在本文中，格林函数理论，数值方法，简化格式及其在各种系统中的应用将一一描述。

By means of Floquet theory,Lyalpunov function, Hurwitz criterion, linearization, Lasalle invariable set principle,, characteristic line, coincidence degree, estimation of inequality ,numerical simulation and so on, we study two kinds of models with impulsive vaccination.

其中综合运用Floquet 原理、Lyapunov函数、 Hurwitz判据、线性化、 Lasalle不变集、数值模拟、射频映射、分支理论、不等式估计、重合度理论等方法和知识，系统地研究了两类实施脉冲疫苗策略的非线性模型。

In the model the objective function includes all the costs of the distribution systems.

该模型的目标函数包含了系统中所有的成本。

In all, IPES and TCS measurement, as well as LEED observation, AES and work function measurement, IBA treatment to the sample and molecular adsorption can be performed in this system.

总之，在这一系统上，除了进行IPES和TCS测量外，还可进行LEED观察。AES和功函数测量，样品的IBA处理和分子吸附实验。

Three methods of unit impulse response in time domain are presented, odd function balance, equal initial condition and linear system analysis.

提出了连续系统单位冲激响应的3种时域求解方法：奇异函数平衡法、等效初始条件法和线性分析法。

The preliminary optimization is carried on for which the ogee shape factors of the duct are selected to be optimized, and the RCS and flow loss coefficient are considered as objectives.

在进气道腔体的优化中，分析了内管道外形多目标优化中的层次性，将大系统理论中多层次优化方法引入进气道内管道设计中，选择S弯曲线的形状参数为优化的参数，以进气道腔体的RCS、流动损失系数为目标函数，进行了初步的优化计算。

A new fuzzy logic based hybrid on-line minimum input power search control strategy is proposed. The gains derivative method of this strategy utilizes the research results of loss model control to do on-line scaling factor calculation. The asymmetric shape design of membership functions can make the control system converge fast with avoiding the oscillation around the optimal flux.

基于损耗模型控制的研究成果以及在线搜索控制的研究成果，提出了一种新型混合在线式直流最小功率模糊搜索效率优化控制算法，算法对模糊集合所作的不对称隶属度函数设计，解决了系统在效率最优点处的振荡问题。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷