A least-squares mixed finite element methods for the first-order system formulation of second-order elliptic problems and a formulation for the infinite boundary conditions are presented.
研究了无穷边界的二阶椭圆问题，探讨了将其转化为一阶系统的最小二乘有限元逼近方法。
However, there is no such error in the first HIS system because there it is performed in the proper order.
但是，第一个HIS系统中不会出现这种错误，因为它在第一个HIS系统中是按正确顺序执行的。
The system has the great benefit of clarity, with the court ensuring that the creditors are paid in order of seniority, with secured lenders getting first cut.
这套系统最大的特点是权责清晰：法院保证债权人按照资历获得还款，有抵押贷款者优先补偿。
In the first scenario, suppose you have an order-processing system and a business partner who handles the shipping.
在第一个场景中，假设您有一个订单处理系统和一个处理发货的业务合作伙伴。
In order for an application server node to be registered with a job manager, the application server must first be registered with an administrative agent on the same system.
为了将应用程序服务器节点注册到作业管理器，应用程序服务器必须先注册到同一系统上的管理代理。
The first, Mr. Ghani said, was his attempt to impose order on Kabul’s chaotic system of private property rights.
第一次，甘尼先生说到，是他试图给喀布尔市混乱的财产所有权制度建立秩序。
First-order change is a variation in the way processes and procedures have been done in a given system, leaving the system itself relatively unchanged.
l在过程和步骤已经确定的给定系统中，一阶变化是个变异，它使系统本身相对的不变。
The first thing that a virtualized environment must have is situational awareness. In order to manage the application servers, the virtualization system must understand three critical elements.
虚拟化环境必须具备的第一要件就是对环境的感知性。
The basic principles of PFC are introduced, and PFC algorithm for first-order plus dead-time system is delivered.
介绍了PF C的基本原理，推导了一阶加纯滞后系统PF C算法。
In broad strokes, a system is advanced along a series of minimum energy configurations which are all separated from one another by one first order saddle point.
在主要的冲程里，系统将规律性地沿着从一个马鞍点到另一个马鞍点的方向高度分化。
The Chinese-designed mortar-howitzer system was first revealed by the NORINCO for the export market in 2001, but the system did not receive any order.
中国设计的迫榴炮系统在2001年用于出口市场被北方工业总公司（NORINCO）首次展示，但是系统没有接受到任何定单。
This paper points out that the first-order perturbation photon flux produced by this system has not observed effect when GWs is different from frequency of Gaussian beam.
笔者指出，当入射引力波和高斯束不同频率时，高斯束谐振系统产生的一阶扰动光子流没有观测效应。
There must be errors for the measuring values of the first 1 order data of a system due to the noise and other factors in the Testing Model Analysis.
用试验模态分析方法测取的系统前1阶模态参数，由于噪声等多种因素的影响，具有一定误差。
In order to achieve a better understanding of global structure of the system, first, we introduce a new concept that is called double sector region in chapter III.
在第三章中，为了更好的讨论系统的全局拓扑结构，本文首次引入双扇形区域的概念；
This paper puts forward a new MRACS method using low order model, i. e. the fourth order hydraulic servo system following the first order reference model.
本文把液压伺服系统作四阶系统，跟随一阶参考模型，提出了一种新的高阶对象和低阶模型的MRACS 的方法。
This paper discuss the locally topological structure of higher order singular point for the plane cubic system in the first critical case and give a criterion by the coefficients of polynomials.
讨论了第一临界情形下的平面三次系统高次奇点的局部拓朴结构，并给出利用多项式系数的判断准则。
In order to make a thermodynamic analysis for an ammonia synthetic system, the functional values of the thermodynamics of gas mixture with ammonia must be given first.
为了对合成氨系统进行热力学分析，首先需要知道含氨混合气的热力学函数值。
This result can be used to prove the completeness theorems of first order logic system and the universal refutation method proposed by us.
这一结果可以用于证明一阶逻辑形式系统和我们所提出的广义反驳方法的完备性。
First, a reference point of the total formation system is estimated using the first order consensus algorithm according to the initial state of each satellite.
首先根据编队各星的初始相对状态，应用一阶一致性算法，协商估计出编队整体系统基准参考点的相对状态；
Tunnel ventilation process is approximately a system of time lag of first order, real time control of wind pressure in tunnel pipe is adopted self-tuning fuzzy PID.
隧道通风过程可近似认为是一个一阶时滞系统，系统采用自整定模糊pid对隧道管网的风压进行实时控制。
The locally topological structure of higher order singular point for the plane quartic system in the first critical case is discussed, and a criteria by the coefficients of polynomials is given.
讨论了第一临界情形下的平面三次系统高次奇点的局部拓朴结构，并给出利用多项式系数的判断准则。
The water supply process is approximately a system of time lag of first order, real time control of pressure in pipe is adopted self-tuning fuzzy PID.
由于供水过程可近似认为是一个一阶时滞系统，系统采用了自整定模糊pid对管网的压力进行实时控制。
Based on the generalized Huygens-Fresnel diffraction integral, the analytic propagation expressions for Lorentz beams passing through first-order axisymmetric optical system are derived.
从广义惠更斯-菲涅耳衍射积分出发，导出了洛伦兹光束通过一阶轴对称光学系统传输变换的解析公式。
Finally, the sensitivity analysis was carried out by calculating the first-order sensitivity matrix according to the mapping relationship between the output and the input of the system.
最后，根据所建模型的映射关系计算系统输出对输入参数的一阶灵敏度矩阵，对模型进行灵敏度分析。
In this paper, we first give some hypotheses in order to obtain the dynamical mode of the system.
本文首先通过对系统的模型进行了假定，建立了绳系网捕系统的动力学模型。
This paper introduces the improvement of Taylor's expansion of first-order based on rectangular domain. And the method was applied to control a second system in simulation experiment.
本文介绍了基于矩形邻域的泰勒二元一次展开式的改进控制方法，并将其应用到二阶系统的控制仿真实验中。
This paper first introduced the kalman filter, to all sorts of navigation data information fusion, thus constituting navigation system, in order to get the optimal estimation system state.
本文首先介绍了卡尔曼滤波器，对各种导航数据进行信息融合，从而组成导航系统，以获取系统状态的最优估计。
The principle of PFC is introduced from three aspects: predictive model, error compensation and optimal algorithm. The basic PFC algorithm for first-order plus time delay system is developed.
从预测模型、反馈校正和优化控制三方面对预测函数控制基本原理进行了系统的阐述并针对一阶加纯滞后对象推导了单变量预测函数控制的基本算法。
This paper discusses the stability of solution of the oblique derivative problem for the nonlinear elliptic system of first order equations.
讨论了一阶非线性椭圆型方程组斜微商问题解的稳定性，这个结果是借助于有关边值问题解的先验估计而导出的。
This paper discusses the stability of solution of the oblique derivative problem for the nonlinear elliptic system of first order equations.
讨论了一阶非线性椭圆型方程组斜微商问题解的稳定性，这个结果是借助于有关边值问题解的先验估计而导出的。
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