有效函数

The discrete velocity ordinate method in the kinetic theory of gases is developed and applied to discretize the correspo

借助非定常时间分裂法和无波动无自由参数的NND耗散格式，建立直接求解微观分子速度分布函数的有限差分数值格式；研究并发展可用于离散速度坐标点选取和离散速度空间宏观取矩的高斯─埃尔米特无穷积分方法、等均间隔的牛顿─柯斯复合积分法、以勒让德多项式的根为积分结点的高斯─勒让德数值积分法，并应用于不同马赫数绕流模拟；通过对不同流域一维激波管问题、二维圆柱绕流问题和三维球体绕流的计算研究，并将计算结果与其他途径得到的研究结果诸如DSMC模拟值、N-S解及有关实验数据进行比较分析，创建了一套能有效模拟稀薄流到连续流不同流域气体流动问题简化的统一数值算法研究框架

This paper uses the Laffer curve model to analyze the function among tax rate, tax revenue and industrial economic developments, and believes that effective industrial tax policies could guide all kinds of resources into industries with competitive advantages to upgrade and optimize the industrial structure to make the economy develop healthy.

本文在用拉弗曲线模型分析了税率与税收收入、产业经济增长之间存在的函数关系之后，认为有效的产业税收政策，可以引导资源要素流向民族地区中具有竞争优势的产业，使产业结构不断优化和升级，进一步促进经济的健康发展。

It is well-known that reduced Hessian method is one of the most efficient methods for solving large scale constrained optimization problems. However, the convergence analysis for the method requires of the positive definiteness of the reduced Hessian of Lagrangian function.

众所周知，既约Hessian方法是求解较大规模约束优化问题的一类有效方法，但已有的这类方法的全局收敛性分析需假定拉格朗日函数的既约Hessian矩阵的一致正定性。

In the last chapter, we have discussed how to judge the landform of the objective functions in higher dimensional spaces and how to choose the right searching strategies.

在最后一章，讨论了在高维空间中，如何有效的探测或判断目标函数在某一空间区域的地形，进而选择适宜的搜索策略。

An effective and simple way to reconstruct the lattice Boltzmann method distribution functions by macro-scale parameters has been proposed on the basis of the mathematical multiscale-approach in this paper.

基于数学上的多尺度逐级逼近，给出了一种简单并且有效的方法来通过宏观物理量重构格子Boltzmann方法的单粒子分布函数。

Both simulations and data analysis demonstrated that the random regression model with Legendre polynomial as submodels is more effective than the functional mapping with Logistic curve as submodel in mapping dynamic trait loci

模拟和实例分析结果都证明：以Legendre多项式为子模型的随机回归模型定位策略是有效的，优于用Logistic曲线为子模型的函数定位策略

Longjmp is a library routine that causes the non-local control flow in C programs. It damages the structure of C program and some common dataflow analysis techniques cannot work effectively on the program segments containing longjmp.

longjmp是C语言中实现非局部跳转的库函数调用，它破坏了程序的结构性，并使常见的数据流分析技术无法在包含longjmp的程序段上有效地进行。

Because the MCMC method is efficient in dealing with problems of high dimension, likelihood function and posterior distribution. In this paper, we will estimate parameters in models by MCMC method.

由于MCMC方法在解决SV模型中的高维分布参数估计以及求解似然函数和后验分布都更加有效，因此本文利用MCMC方法估计模型中的参数。

An accurate determination of the effective neutron detection threshold is carried out by a linear extrapolation of the section around the point of inflexion in the relative efficiency plots using neutron energy directly.

在不通过探测器响应函数进行数据转换的条件下，利用中子的能量直接确定了中子的有效测量阈值。

The mentioned control scheme can effectively control two joint of space manipulator to stably track the desired trajectory in joint space. It has obvious advantages that with needless feedback and measured the position, velocity, acceleration, attitude angle velocity and attitude angle acceleration of the floating base. At the same time, no requirements for the dynamic equations of the system are linearly dependent on inertial parameters.

文中提到的控制方案能够有效地控制漂浮基空间机械臂的载体姿态及机械臂关节，可以协调地完成期望的轨迹运动，并具有不需要反馈和测量空间机械臂载体的位置、移动速度、移动加速度，同时也不要求系统动力学方程关于系统惯性参数呈线性函数关系的显著优点。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了