查询词典 differential method

At the same time, the variational stability of bounded variation solutions at the effect of perturbation and non-perturbation for the impulsive differential system are discussed, the Ljapunov type theorems for variational stability and asymptotically variational stability for impulsive differential systems are established.

同时，讨论了在无扰动和有扰动的情况下，这类固定时刻脉冲微分方程有界变差解的变筹稳定性，建立了此类微分系统有界变差解变差稳定性和渐近变界稳定性的两个Ljapunov型定理。

The result shows that, with less effect on differential performance, surge amplitude, and decay rate of the surge tank, the arrangement of interconnecting holes at rational positions with proper sizes can effectively decrease the differential pressure on breast wall (from over 30 m down to 20 m below) and ensure the safe operation of the surge tank, and it is beneficial to gate control.

结果表明，在保证了调压室的差动性能、涌浪幅度和衰减速度的同时，在胸墙上设置位置和尺寸合理的连通孔，可以有效降低胸墙结构承受的压差，由超过30m的较大压差降低至20m以下，保证调压室的安全稳定运行，且有利于闸门的控制。

It had been proved that the bulkiness of the differential shrinkage filaments air-jet textured yarn could be controlled effectually by the different filament or multi-filament linear density,as well as the air-jet texturing and differential shrinkage parameters.

结果显示，异收缩空气变形纱的膨松度可以通过选择单、复丝的线密度、空气变形加工和异收缩变形加工工艺参数的方法加以有效控制。

The work principle of differential transformer was introduced in the paper, and the influence of power supply frequency on output characteristic of differential transformer was analyzed in theory calculating the equivalent circuit under the ideal state, and the experiment was done.

引言差动变压器式传感器是根据变压器的基本原理，把被测的非电量变化转换为线圈互感变化的传感器。在非电量测量中，应用最多的是三节式螺线管差动变压器。

Providing also a self-contained presentation of classical isoperimetric inequalities for eigenvalues and 30 open problems, this book will be useful for pure and applied mathematicians, particularly those interested in partial differential equations, the calculus of variations, differential geometry, or spectral theory.

为eigenvalues和30个开放式问题也提供古典isoperimetric 不平等的拘谨的赠送，这本书将是对纯并且被使用数学家有用的，特别是对偏微分方程，变分法，不同几何学或者光谱的理论感兴趣的那些。

Uncertain differential equation is a type of differential equation driven by canonical process.

不确定微分方程是由标准过程驱动的一类微分方程。

Through the noise analysis between circular oscillators composed of general differential amplifer element and of capacitive coupling differential amplifier element, it is found that the later,due to its band-pass and dynatron characteristics,provides a better anti-noise performance,which can be used in VCO circuits having a high requirement on frequency stability.

通过对采用由普通差分放大器单元和容性耦合差分放大器单元构成的环行振荡器的噪声分析得出，由容性耦合差分放大器单元构成的环行振荡器，因其带通特性和负阻特性而具有较好的抗噪声能力，可用于对频率稳定度有较高要求的VCO等电路中。

This text utilizes the stability theory of differential equation, establishes the mathematical model of praying on the relation among the living beings, then according to the characteristic of differential equation group set up, through analyze to its equalization point,discuss the rail line distribution situation and overall stability, studies the dynamic change situation of every species during sufficient long time slot.

摘要本文利用微分方程稳定性理论，建立生物间捕食关系的数学模型，然后根据建立的微分方程组的特性，通过对其平衡点分析，轨线分布情况以及全局稳定性的讨论，研究出各物种在充分长时间段中的动态变化情况。

Neutral difFerential equation; characteristic ... 2007042712 Annals of Differential Equations 英文 OSCILLATION IN FIRST ORDER NEUTRAL DIFFERENTIA...

二阶微分方程；超线性；振动 2007042714 海南师范学院学报中文 OSCILLATION THEOREMS FOR NONLINEAR SECOND ORDE。。。

Also underCoherent conditions a algorithm of differential Characteristic set for differential polynomial systemis given.

给出了Coherent条件下的特征列集的算法。

Putt your way through 36 fun-filled holes of minigolf on 3D designed courses with elevated greens, bunkers, bridges and water hazards, among other crazy obstacles.

您的推杆方式，通过36个有趣的填孔迷你的三维设计的课程，以提升绿党，掩体，桥梁和水的危害，除其他疯狂的障碍。

Some participles can be used either as attributes or as predicatives.

有些分词既可当定语用，也可当表语用。