微分

In recent years, some new research methods such as mordern geometric method and differential algebra method have been applied to the study of control theory according to the development of nonlinear science, and it is possible for us to solve complicated enginering systems with the development of computer science, which promotes the investigation of complicated control systems.

近年来，非线性科学的发展，特别是现代微分几何，微分代数理论的出现，为非线性控制理论的研究提供了新的工具。

Based on the flexible multibody dynamics model, that establish, a group of the algebra—differential hybrid equations which is made up of kinematics differential equation and spatial constraint algebra equations is listed by leading into the Lagrange multiplier to release the constraint of the system.

根据上述建立的多柔体动力学模型，通过引入Lagrange乘子释放系统的约束，列出了由系统的运动微分方程和空间约束代数方程组成的一组微分—代数混合方程组。

In most situations, the polysome system dynamic equation is the non-linearity the ordinary differential equation or the differential - algebra system of equations, it is generally obtains the equation through the computer value simulation then get the numerical solution, then through to numerical solution analysis, understanding polysome system dynamics characteristic.

多数情况下，多体系统的动力学方程是非线性常微分方程或微分-代数方程组，一般是通过计算机数值仿真得到方程的数值解，然后通过对数值解的分析，了解多体系统的动力学特性。

This paper gives the probabilistic interpretation for one system of the second order quasilinear parabolic partial differential equations combined with an algebra equation using fully coupled forward-backward stochastic differential equation.

本文利用完全耦合的正倒向随机微分方程，对一类耦合了一个代数方程的二阶拟线性抛物型偏微分方程系统，给出概率表示。

Mathematics and Physics in the 19th century, another major achievement - Fourier analysis of the development of the simulator played a direct role in promoting. The late 19th century and early 20th century, have made a variety of computing the Fourier coefficients of the differential analyzer differential analysis reconciliation and so on.

19世纪数学物理的另一项重大成就——傅里叶分析，对模拟机的发展起到了直接的推动作用。19世纪后期和20世纪前期，相继制成了多种计算傅里叶系数的分析机和解微分方程的微分分析机等。

But when trying to promote the differential analyzer solution of partial differential equations and the use of simulators to solve the issue of scientific computing in general, people come to realize the simulator and in the common areas such as precision limitations, and focus turned to digital computers.

但是当试图推广微分分析机解偏微分方程和用模拟机解决一般科学计算问题时，人们逐渐认识到模拟机在通用性和精确度等方面的局限性，并将主要精力转向了数字计算机。

Traffic momentum differential equation and Euler′s equation are constructed by means of differential calculus.

通过对交通流参数的微分分析，建立了交通流的运动微分方程和欧拉方程。

In this thesis, we have successfully utilized the combination of MOS and HBT to design negative differential resistance circuit, which is called as MOS-HBT-NDR circuit.

在本论文中，我们已经成功利用MOS与HBT的组合来设计负微分电阻电路，我们称此负微分电阻电路为MOS-HBT-NDR电路。

In chapter 2, the basic conception of optical oscillator strength , generalized oscillator strength , and differential cross section , the experimental methods for measuring OOS and GOS are described briefly.

在第二章中，介绍了光学振子强度、广义振子强度和微分散射截面的基本概念，并对光学振子强度和广义振子强度实验方法作了总结，定性说明了仪器角分辨对于微分散射截面测量的影响。

It is shown that the value of differential cross section of 〓He from 〓He+〓Be breakup reaction is approximately two-times larger than that from 〓Li+〓C reaction at similar incident energy.

与相近能量的〓Li+〓C的破裂α碎片微分截面相比〓He的破裂α碎片的微分截增大了约一倍。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。